20177683700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{691}}^1\times {\mathrm{4787}}^1$

素因数の和:5553

約数の個数: 72

約数和(自身を含む): 44577084384

約数和(自身を除く): 24399400684

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 691, 1220, 1382, 1525, 2764, 3050, 3455, 4787, 6100, 6910, 9574, 13820, 17275, 19148, 23935, 34550, 42151, 47870, 69100, 84302, 95740, 119675, 168604, 210755, 239350, 292007, 421510, 478700, 584014, 843020, 1053775, 1168028, 1460035, 2107550, 2920070, 3307817, 4215100, 5840140, 6615634, 7300175, 13231268, 14600350, 16539085, 29200700, 33078170, 66156340, 82695425, 165390850, 201776837, 330781700, 403553674, 807107348, 1008884185, 2017768370, 4035536740, 5044420925, 10088841850, 20177683700]

約数ペア:

[(1, 20177683700), (2, 10088841850), (4, 5044420925), (5, 4035536740), (10, 2017768370), (20, 1008884185), (25, 807107348), (50, 403553674), (61, 330781700), (100, 201776837), (122, 165390850), (244, 82695425), (305, 66156340), (610, 33078170), (691, 29200700), (1220, 16539085), (1382, 14600350), (1525, 13231268), (2764, 7300175), (3050, 6615634), (3455, 5840140), (4787, 4215100), (6100, 3307817), (6910, 2920070), (9574, 2107550), (13820, 1460035), (17275, 1168028), (19148, 1053775), (23935, 843020), (34550, 584014), (42151, 478700), (47870, 421510), (69100, 292007), (84302, 239350), (95740, 210755), (119675, 168604)]