20163889240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:614

約数の個数: 256

約数和(自身を含む): 53031075840

約数和(自身を除く): 32867186600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 47, 55, 62, 71, 88, 94, 110, 124, 142, 155, 188, 220, 235, 248, 284, 310, 341, 355, 376, 440, 443, 470, 517, 568, 620, 682, 710, 781, 886, 940, 1034, 1240, 1364, 1420, 1457, 1562, 1705, 1772, 1880, 2068, 2201, 2215, 2585, 2728, 2840, 2914, 3124, 3337, 3410, 3544, 3905, 4136, 4402, 4430, 4873, 5170, 5828, 6248, 6674, 6820, 7285, 7810, 8804, 8860, 9746, 10340, 11005, 11656, 13348, 13640, 13733, 14570, 15620, 16027, 16685, 17608, 17720, 19492, 20680, 20821, 22010, 24211, 24365, 26696, 27466, 29140, 31240, 31453, 32054, 33370, 36707, 38984, 41642, 44020, 48422, 48730, 54932, 58280, 62906, 64108, 66740, 68665, 73414, 80135, 83284, 88040, 96844, 97460, 103447, 104105, 109864, 121055, 125812, 128216, 133480, 137330, 146828, 151063, 157265, 160270, 166568, 183535, 193688, 194920, 206894, 208210, 229031, 242110, 251624, 274660, 293656, 302126, 314530, 320540, 345983, 367070, 413788, 416420, 458062, 484220, 517235, 549320, 604252, 629060, 641080, 645451, 691966, 734140, 755315, 827576, 832840, 916124, 968440, 975043, 1034470, 1137917, 1145155, 1208504, 1258120, 1290902, 1383932, 1468280, 1478291, 1510630, 1729915, 1832248, 1950086, 2068940, 2275834, 2290310, 2581804, 2767864, 2956582, 3021260, 3227255, 3459830, 3900172, 4137880, 4551668, 4580620, 4875215, 5163608, 5689585, 5913164, 6042520, 6454510, 6919660, 7099961, 7391455, 7800344, 9103336, 9161240, 9750430, 10725473, 11379170, 11826328, 12909020, 13839320, 14199922, 14782910, 16261201, 19500860, 21450946, 22758340, 25818040, 28399844, 29565820, 32522402, 35499805, 39001720, 42901892, 45516680, 45827021, 53627365, 56799688, 59131640, 65044804, 70999610, 81306005, 85803784, 91654042, 107254730, 130089608, 141999220, 162612010, 183308084, 214509460, 229135105, 283998440, 325224020, 366616168, 429018920, 458270210, 504097231, 650448040, 916540420, 1008194462, 1833080840, 2016388924, 2520486155, 4032777848, 5040972310, 10081944620, 20163889240]

約数ペア:

[(1, 20163889240), (2, 10081944620), (4, 5040972310), (5, 4032777848), (8, 2520486155), (10, 2016388924), (11, 1833080840), (20, 1008194462), (22, 916540420), (31, 650448040), (40, 504097231), (44, 458270210), (47, 429018920), (55, 366616168), (62, 325224020), (71, 283998440), (88, 229135105), (94, 214509460), (110, 183308084), (124, 162612010), (142, 141999220), (155, 130089608), (188, 107254730), (220, 91654042), (235, 85803784), (248, 81306005), (284, 70999610), (310, 65044804), (341, 59131640), (355, 56799688), (376, 53627365), (440, 45827021), (443, 45516680), (470, 42901892), (517, 39001720), (568, 35499805), (620, 32522402), (682, 29565820), (710, 28399844), (781, 25818040), (886, 22758340), (940, 21450946), (1034, 19500860), (1240, 16261201), (1364, 14782910), (1420, 14199922), (1457, 13839320), (1562, 12909020), (1705, 11826328), (1772, 11379170), (1880, 10725473), (2068, 9750430), (2201, 9161240), (2215, 9103336), (2585, 7800344), (2728, 7391455), (2840, 7099961), (2914, 6919660), (3124, 6454510), (3337, 6042520), (3410, 5913164), (3544, 5689585), (3905, 5163608), (4136, 4875215), (4402, 4580620), (4430, 4551668), (4873, 4137880), (5170, 3900172), (5828, 3459830), (6248, 3227255), (6674, 3021260), (6820, 2956582), (7285, 2767864), (7810, 2581804), (8804, 2290310), (8860, 2275834), (9746, 2068940), (10340, 1950086), (11005, 1832248), (11656, 1729915), (13348, 1510630), (13640, 1478291), (13733, 1468280), (14570, 1383932), (15620, 1290902), (16027, 1258120), (16685, 1208504), (17608, 1145155), (17720, 1137917), (19492, 1034470), (20680, 975043), (20821, 968440), (22010, 916124), (24211, 832840), (24365, 827576), (26696, 755315), (27466, 734140), (29140, 691966), (31240, 645451), (31453, 641080), (32054, 629060), (33370, 604252), (36707, 549320), (38984, 517235), (41642, 484220), (44020, 458062), (48422, 416420), (48730, 413788), (54932, 367070), (58280, 345983), (62906, 320540), (64108, 314530), (66740, 302126), (68665, 293656), (73414, 274660), (80135, 251624), (83284, 242110), (88040, 229031), (96844, 208210), (97460, 206894), (103447, 194920), (104105, 193688), (109864, 183535), (121055, 166568), (125812, 160270), (128216, 157265), (133480, 151063), (137330, 146828)]