20126908090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{13049}}^1$

素因数の和:13327

約数の個数: 64

約数和(自身を含む): 39440649600

約数和(自身を除く): 19313741510

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 211, 215, 422, 430, 731, 1055, 1462, 2110, 3587, 3655, 7174, 7310, 9073, 13049, 17935, 18146, 26098, 35870, 45365, 65245, 90730, 130490, 154241, 221833, 308482, 443666, 561107, 771205, 1109165, 1122214, 1542410, 2218330, 2753339, 2805535, 5506678, 5611070, 9538819, 13766695, 19077638, 27533390, 46806763, 47694095, 93613526, 95388190, 118393577, 234033815, 236787154, 468067630, 591967885, 1183935770, 2012690809, 4025381618, 10063454045, 20126908090]

約数ペア:

[(1, 20126908090), (2, 10063454045), (5, 4025381618), (10, 2012690809), (17, 1183935770), (34, 591967885), (43, 468067630), (85, 236787154), (86, 234033815), (170, 118393577), (211, 95388190), (215, 93613526), (422, 47694095), (430, 46806763), (731, 27533390), (1055, 19077638), (1462, 13766695), (2110, 9538819), (3587, 5611070), (3655, 5506678), (7174, 2805535), (7310, 2753339), (9073, 2218330), (13049, 1542410), (17935, 1122214), (18146, 1109165), (26098, 771205), (35870, 561107), (45365, 443666), (65245, 308482), (90730, 221833), (130490, 154241)]