20401987116

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{911}}^1\times {\mathrm{5441}}^1$

素因数の和:6380

約数の個数: 96

約数和(自身を含む): 55586764800

約数和(自身を除く): 35184777684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 911, 1029, 1372, 1822, 2058, 2733, 3644, 4116, 5441, 5466, 6377, 10882, 10932, 12754, 16323, 19131, 21764, 25508, 32646, 38087, 38262, 44639, 65292, 76174, 76524, 89278, 114261, 133917, 152348, 178556, 228522, 266609, 267834, 312473, 457044, 533218, 535668, 624946, 799827, 937419, 1066436, 1249892, 1599654, 1866263, 1874838, 3199308, 3732526, 3749676, 4956751, 5598789, 7465052, 9913502, 11197578, 14870253, 19827004, 22395156, 29740506, 34697257, 59481012, 69394514, 104091771, 138789028, 208183542, 242880799, 416367084, 485761598, 728642397, 971523196, 1457284794, 1700165593, 2914569588, 3400331186, 5100496779, 6800662372, 10200993558, 20401987116]

約数ペア:

[(1, 20401987116), (2, 10200993558), (3, 6800662372), (4, 5100496779), (6, 3400331186), (7, 2914569588), (12, 1700165593), (14, 1457284794), (21, 971523196), (28, 728642397), (42, 485761598), (49, 416367084), (84, 242880799), (98, 208183542), (147, 138789028), (196, 104091771), (294, 69394514), (343, 59481012), (588, 34697257), (686, 29740506), (911, 22395156), (1029, 19827004), (1372, 14870253), (1822, 11197578), (2058, 9913502), (2733, 7465052), (3644, 5598789), (4116, 4956751), (5441, 3749676), (5466, 3732526), (6377, 3199308), (10882, 1874838), (10932, 1866263), (12754, 1599654), (16323, 1249892), (19131, 1066436), (21764, 937419), (25508, 799827), (32646, 624946), (38087, 535668), (38262, 533218), (44639, 457044), (65292, 312473), (76174, 267834), (76524, 266609), (89278, 228522), (114261, 178556), (133917, 152348)]