20405784828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1877

約数の個数: 288

約数和(自身を含む): 62039738880

約数和(自身を除く): 41633954052

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 23, 26, 33, 34, 39, 44, 46, 51, 52, 66, 68, 69, 78, 92, 102, 132, 138, 143, 156, 187, 204, 221, 253, 276, 286, 289, 299, 374, 391, 429, 442, 506, 561, 572, 578, 598, 663, 748, 759, 782, 858, 867, 884, 897, 1012, 1122, 1156, 1173, 1196, 1326, 1518, 1564, 1716, 1734, 1789, 1794, 2244, 2346, 2431, 2652, 3036, 3179, 3289, 3468, 3578, 3588, 3757, 4301, 4692, 4862, 5083, 5367, 6358, 6578, 6647, 7156, 7293, 7514, 8602, 9537, 9724, 9867, 10166, 10734, 11271, 12716, 12903, 13156, 13294, 14586, 15028, 15249, 17204, 19074, 19679, 19734, 19941, 20332, 21468, 22542, 23257, 25806, 26588, 29172, 30413, 30498, 38148, 39358, 39468, 39882, 41147, 41327, 45084, 46514, 51612, 55913, 59037, 60826, 60996, 69771, 73117, 78716, 79764, 82294, 82654, 86411, 91239, 93028, 111826, 118074, 121652, 123441, 123981, 139542, 146234, 164588, 165308, 167739, 172822, 182478, 219351, 223652, 236148, 246882, 247962, 255827, 259233, 279084, 292468, 334543, 335478, 345644, 364956, 395369, 438702, 452617, 493764, 495924, 511654, 517021, 518466, 534911, 669086, 670956, 699499, 767481, 790738, 877404, 905234, 950521, 1003629, 1023308, 1034042, 1036932, 1069822, 1186107, 1338172, 1357851, 1398998, 1534962, 1551063, 1581476, 1604733, 1810468, 1901042, 2007258, 2068084, 2098497, 2139644, 2372214, 2715702, 2797996, 2851563, 3069924, 3102126, 3209466, 3802084, 4014516, 4196994, 4349059, 4744428, 5431404, 5687231, 5703126, 5884021, 6204252, 6418932, 6721273, 7694489, 8393988, 8698118, 9093487, 11374462, 11406252, 11768042, 11891483, 13047177, 13442546, 15388978, 17061693, 17396236, 17652063, 18186974, 20163819, 22748924, 23083467, 23536084, 23782966, 26094354, 26885092, 27280461, 30777956, 34123386, 35304126, 35674449, 36373948, 40327638, 46166934, 47565932, 52188708, 54560922, 68246772, 70608252, 71348898, 73934003, 80655276, 92333868, 100028357, 109121844, 130806313, 142697796, 147868006, 154589279, 200056714, 221802009, 261612626, 295736012, 300085071, 309178558, 392418939, 400113428, 443604018, 463767837, 523225252, 600170142, 618357116, 784837878, 887208036, 927535674, 1200340284, 1569675756, 1700482069, 1855071348, 3400964138, 5101446207, 6801928276, 10202892414, 20405784828]

約数ペア:

[(1, 20405784828), (2, 10202892414), (3, 6801928276), (4, 5101446207), (6, 3400964138), (11, 1855071348), (12, 1700482069), (13, 1569675756), (17, 1200340284), (22, 927535674), (23, 887208036), (26, 784837878), (33, 618357116), (34, 600170142), (39, 523225252), (44, 463767837), (46, 443604018), (51, 400113428), (52, 392418939), (66, 309178558), (68, 300085071), (69, 295736012), (78, 261612626), (92, 221802009), (102, 200056714), (132, 154589279), (138, 147868006), (143, 142697796), (156, 130806313), (187, 109121844), (204, 100028357), (221, 92333868), (253, 80655276), (276, 73934003), (286, 71348898), (289, 70608252), (299, 68246772), (374, 54560922), (391, 52188708), (429, 47565932), (442, 46166934), (506, 40327638), (561, 36373948), (572, 35674449), (578, 35304126), (598, 34123386), (663, 30777956), (748, 27280461), (759, 26885092), (782, 26094354), (858, 23782966), (867, 23536084), (884, 23083467), (897, 22748924), (1012, 20163819), (1122, 18186974), (1156, 17652063), (1173, 17396236), (1196, 17061693), (1326, 15388978), (1518, 13442546), (1564, 13047177), (1716, 11891483), (1734, 11768042), (1789, 11406252), (1794, 11374462), (2244, 9093487), (2346, 8698118), (2431, 8393988), (2652, 7694489), (3036, 6721273), (3179, 6418932), (3289, 6204252), (3468, 5884021), (3578, 5703126), (3588, 5687231), (3757, 5431404), (4301, 4744428), (4692, 4349059), (4862, 4196994), (5083, 4014516), (5367, 3802084), (6358, 3209466), (6578, 3102126), (6647, 3069924), (7156, 2851563), (7293, 2797996), (7514, 2715702), (8602, 2372214), (9537, 2139644), (9724, 2098497), (9867, 2068084), (10166, 2007258), (10734, 1901042), (11271, 1810468), (12716, 1604733), (12903, 1581476), (13156, 1551063), (13294, 1534962), (14586, 1398998), (15028, 1357851), (15249, 1338172), (17204, 1186107), (19074, 1069822), (19679, 1036932), (19734, 1034042), (19941, 1023308), (20332, 1003629), (21468, 950521), (22542, 905234), (23257, 877404), (25806, 790738), (26588, 767481), (29172, 699499), (30413, 670956), (30498, 669086), (38148, 534911), (39358, 518466), (39468, 517021), (39882, 511654), (41147, 495924), (41327, 493764), (45084, 452617), (46514, 438702), (51612, 395369), (55913, 364956), (59037, 345644), (60826, 335478), (60996, 334543), (69771, 292468), (73117, 279084), (78716, 259233), (79764, 255827), (82294, 247962), (82654, 246882), (86411, 236148), (91239, 223652), (93028, 219351), (111826, 182478), (118074, 172822), (121652, 167739), (123441, 165308), (123981, 164588), (139542, 146234)]