20042874872

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1\times {\mathrm{461}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 38384992800

約数和(自身を除く): 18342117928

約数列:

[1, 2, 4, 8, 97, 179, 194, 313, 358, 388, 461, 626, 716, 776, 922, 1252, 1432, 1844, 2504, 3688, 17363, 30361, 34726, 44717, 56027, 60722, 69452, 82519, 89434, 112054, 121444, 138904, 144293, 165038, 178868, 224108, 242888, 288586, 330076, 357736, 448216, 577172, 660152, 1154344, 5434619, 8004343, 10869238, 13996421, 16008686, 21738476, 25828447, 27992842, 32017372, 43476952, 51656894, 55985684, 64034744, 103313788, 111971368, 206627576, 2505359359, 5010718718, 10021437436, 20042874872]

約数ペア:

[(1, 20042874872), (2, 10021437436), (4, 5010718718), (8, 2505359359), (97, 206627576), (179, 111971368), (194, 103313788), (313, 64034744), (358, 55985684), (388, 51656894), (461, 43476952), (626, 32017372), (716, 27992842), (776, 25828447), (922, 21738476), (1252, 16008686), (1432, 13996421), (1844, 10869238), (2504, 8004343), (3688, 5434619), (17363, 1154344), (30361, 660152), (34726, 577172), (44717, 448216), (56027, 357736), (60722, 330076), (69452, 288586), (82519, 242888), (89434, 224108), (112054, 178868), (121444, 165038), (138904, 144293)]