20005573208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:837

約数の個数: 128

約数和(自身を含む): 42136200000

約数和(自身を除く): 22130626792

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 59, 68, 116, 118, 136, 149, 232, 236, 298, 472, 493, 577, 596, 986, 1003, 1154, 1192, 1711, 1972, 2006, 2308, 2533, 3422, 3944, 4012, 4321, 4616, 5066, 6844, 8024, 8642, 8791, 9809, 10132, 13688, 16733, 17284, 17582, 19618, 20264, 29087, 33466, 34043, 34568, 35164, 39236, 58174, 66932, 68086, 70328, 73457, 78472, 85973, 116348, 133864, 136172, 146914, 149447, 171946, 232696, 254939, 272344, 284461, 293828, 298894, 343892, 509878, 568922, 578731, 587656, 597788, 687784, 987247, 1019756, 1137844, 1157462, 1195576, 1461541, 1974494, 2039512, 2275688, 2314924, 2493217, 2923082, 3948988, 4333963, 4629848, 4986434, 5072407, 5846164, 7897976, 8667926, 9972868, 10144814, 11692328, 16783199, 17335852, 19945736, 20289628, 33566398, 34671704, 40579256, 42384689, 67132796, 84769378, 86230919, 134265592, 147099803, 169538756, 172461838, 294199606, 339077512, 344923676, 588399212, 689847352, 1176798424, 2500696651, 5001393302, 10002786604, 20005573208]

約数ペア:

[(1, 20005573208), (2, 10002786604), (4, 5001393302), (8, 2500696651), (17, 1176798424), (29, 689847352), (34, 588399212), (58, 344923676), (59, 339077512), (68, 294199606), (116, 172461838), (118, 169538756), (136, 147099803), (149, 134265592), (232, 86230919), (236, 84769378), (298, 67132796), (472, 42384689), (493, 40579256), (577, 34671704), (596, 33566398), (986, 20289628), (1003, 19945736), (1154, 17335852), (1192, 16783199), (1711, 11692328), (1972, 10144814), (2006, 9972868), (2308, 8667926), (2533, 7897976), (3422, 5846164), (3944, 5072407), (4012, 4986434), (4321, 4629848), (4616, 4333963), (5066, 3948988), (6844, 2923082), (8024, 2493217), (8642, 2314924), (8791, 2275688), (9809, 2039512), (10132, 1974494), (13688, 1461541), (16733, 1195576), (17284, 1157462), (17582, 1137844), (19618, 1019756), (20264, 987247), (29087, 687784), (33466, 597788), (34043, 587656), (34568, 578731), (35164, 568922), (39236, 509878), (58174, 343892), (66932, 298894), (68086, 293828), (70328, 284461), (73457, 272344), (78472, 254939), (85973, 232696), (116348, 171946), (133864, 149447), (136172, 146914)]