20311685020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 288

約数和(自身を含む): 51472532160

約数和(自身を除く): 31160847140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 37, 44, 46, 53, 55, 74, 89, 92, 106, 110, 115, 148, 178, 185, 212, 220, 230, 253, 265, 356, 370, 407, 445, 460, 506, 529, 530, 583, 740, 814, 851, 890, 979, 1012, 1058, 1060, 1166, 1219, 1265, 1628, 1702, 1780, 1958, 1961, 2035, 2047, 2116, 2332, 2438, 2530, 2645, 2915, 3293, 3404, 3916, 3922, 4070, 4094, 4255, 4717, 4876, 4895, 5060, 5290, 5819, 5830, 6095, 6586, 7844, 8140, 8188, 8510, 9361, 9434, 9790, 9805, 10235, 10580, 11638, 11660, 12190, 13172, 13409, 16465, 17020, 18722, 18868, 19573, 19580, 19610, 20470, 21571, 22517, 23276, 23585, 24380, 26818, 28037, 29095, 32930, 36223, 37444, 39146, 39220, 40940, 43142, 45034, 45103, 46805, 47081, 47170, 51887, 53636, 56074, 58190, 65860, 67045, 72446, 75739, 78292, 86284, 90068, 90206, 93610, 94162, 94340, 97865, 103774, 107855, 108491, 112148, 112585, 116380, 134090, 140185, 144892, 151478, 174529, 180412, 181115, 187220, 188324, 195730, 207548, 215303, 215710, 216982, 225170, 225515, 235405, 259435, 268180, 280370, 302956, 308407, 349058, 362230, 378695, 391460, 430606, 431420, 433964, 450340, 451030, 470810, 496133, 517891, 518870, 542455, 560740, 616814, 698116, 724460, 757390, 833129, 861212, 872645, 902060, 941620, 992266, 1035782, 1037369, 1037740, 1076515, 1084910, 1193401, 1233628, 1514780, 1542035, 1666258, 1741997, 1745290, 1919819, 1984532, 2071564, 2074738, 2153030, 2169820, 2386802, 2480665, 2495293, 2589455, 3084070, 3332516, 3483994, 3490580, 3839638, 4014167, 4149476, 4165645, 4306060, 4773604, 4961330, 4990586, 5178910, 5186845, 5967005, 6168140, 6967988, 7679276, 8028334, 8331290, 8709985, 9599095, 9922660, 9981172, 10357820, 10373690, 11411059, 11934010, 12476465, 16056668, 16662580, 17419970, 19161967, 19198190, 20070835, 20747380, 22822118, 23868020, 24952930, 27448223, 34839940, 38323934, 38396380, 40141670, 44155837, 45644236, 49905860, 54896446, 57055295, 76647868, 80283340, 88311674, 92325841, 95809835, 109792892, 114110590, 137241115, 176623348, 184651682, 191619670, 220779185, 228221180, 274482230, 369303364, 383239340, 441558370, 461629205, 548964460, 883116740, 923258410, 1015584251, 1846516820, 2031168502, 4062337004, 5077921255, 10155842510, 20311685020]

約数ペア:

[(1, 20311685020), (2, 10155842510), (4, 5077921255), (5, 4062337004), (10, 2031168502), (11, 1846516820), (20, 1015584251), (22, 923258410), (23, 883116740), (37, 548964460), (44, 461629205), (46, 441558370), (53, 383239340), (55, 369303364), (74, 274482230), (89, 228221180), (92, 220779185), (106, 191619670), (110, 184651682), (115, 176623348), (148, 137241115), (178, 114110590), (185, 109792892), (212, 95809835), (220, 92325841), (230, 88311674), (253, 80283340), (265, 76647868), (356, 57055295), (370, 54896446), (407, 49905860), (445, 45644236), (460, 44155837), (506, 40141670), (529, 38396380), (530, 38323934), (583, 34839940), (740, 27448223), (814, 24952930), (851, 23868020), (890, 22822118), (979, 20747380), (1012, 20070835), (1058, 19198190), (1060, 19161967), (1166, 17419970), (1219, 16662580), (1265, 16056668), (1628, 12476465), (1702, 11934010), (1780, 11411059), (1958, 10373690), (1961, 10357820), (2035, 9981172), (2047, 9922660), (2116, 9599095), (2332, 8709985), (2438, 8331290), (2530, 8028334), (2645, 7679276), (2915, 6967988), (3293, 6168140), (3404, 5967005), (3916, 5186845), (3922, 5178910), (4070, 4990586), (4094, 4961330), (4255, 4773604), (4717, 4306060), (4876, 4165645), (4895, 4149476), (5060, 4014167), (5290, 3839638), (5819, 3490580), (5830, 3483994), (6095, 3332516), (6586, 3084070), (7844, 2589455), (8140, 2495293), (8188, 2480665), (8510, 2386802), (9361, 2169820), (9434, 2153030), (9790, 2074738), (9805, 2071564), (10235, 1984532), (10580, 1919819), (11638, 1745290), (11660, 1741997), (12190, 1666258), (13172, 1542035), (13409, 1514780), (16465, 1233628), (17020, 1193401), (18722, 1084910), (18868, 1076515), (19573, 1037740), (19580, 1037369), (19610, 1035782), (20470, 992266), (21571, 941620), (22517, 902060), (23276, 872645), (23585, 861212), (24380, 833129), (26818, 757390), (28037, 724460), (29095, 698116), (32930, 616814), (36223, 560740), (37444, 542455), (39146, 518870), (39220, 517891), (40940, 496133), (43142, 470810), (45034, 451030), (45103, 450340), (46805, 433964), (47081, 431420), (47170, 430606), (51887, 391460), (53636, 378695), (56074, 362230), (58190, 349058), (65860, 308407), (67045, 302956), (72446, 280370), (75739, 268180), (78292, 259435), (86284, 235405), (90068, 225515), (90206, 225170), (93610, 216982), (94162, 215710), (94340, 215303), (97865, 207548), (103774, 195730), (107855, 188324), (108491, 187220), (112148, 181115), (112585, 180412), (116380, 174529), (134090, 151478), (140185, 144892)]