20170457118

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{2113}}^1$

素因数の和:2351

約数の個数: 144

約数和(自身を含む): 51881618880

約数和(自身を除く): 31711161762

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 79, 98, 126, 137, 147, 158, 237, 274, 294, 411, 441, 474, 553, 711, 822, 882, 959, 1106, 1233, 1422, 1659, 1918, 2113, 2466, 2877, 3318, 3871, 4226, 4977, 5754, 6339, 6713, 7742, 8631, 9954, 10823, 11613, 12678, 13426, 14791, 17262, 19017, 20139, 21646, 23226, 29582, 32469, 34839, 38034, 40278, 44373, 60417, 64938, 69678, 75761, 88746, 97407, 103537, 120834, 133119, 151522, 166927, 194814, 207074, 227283, 266238, 289481, 310611, 333854, 454566, 500781, 530327, 578962, 621222, 681849, 868443, 931833, 1001562, 1060654, 1168489, 1363698, 1502343, 1590981, 1736886, 1863666, 2026367, 2336978, 2605329, 3004686, 3181962, 3505467, 4052734, 4772943, 5210658, 6079101, 7010934, 8179423, 9545886, 10516401, 12158202, 14184569, 16358846, 18237303, 21032802, 22868999, 24538269, 28369138, 36474606, 42553707, 45737998, 49076538, 68606997, 73614807, 85107414, 127661121, 137213994, 147229614, 160082993, 205820991, 255322242, 320165986, 411641982, 480248979, 960497958, 1120580951, 1440746937, 2241161902, 2881493874, 3361742853, 6723485706, 10085228559, 20170457118]

約数ペア:

[(1, 20170457118), (2, 10085228559), (3, 6723485706), (6, 3361742853), (7, 2881493874), (9, 2241161902), (14, 1440746937), (18, 1120580951), (21, 960497958), (42, 480248979), (49, 411641982), (63, 320165986), (79, 255322242), (98, 205820991), (126, 160082993), (137, 147229614), (147, 137213994), (158, 127661121), (237, 85107414), (274, 73614807), (294, 68606997), (411, 49076538), (441, 45737998), (474, 42553707), (553, 36474606), (711, 28369138), (822, 24538269), (882, 22868999), (959, 21032802), (1106, 18237303), (1233, 16358846), (1422, 14184569), (1659, 12158202), (1918, 10516401), (2113, 9545886), (2466, 8179423), (2877, 7010934), (3318, 6079101), (3871, 5210658), (4226, 4772943), (4977, 4052734), (5754, 3505467), (6339, 3181962), (6713, 3004686), (7742, 2605329), (8631, 2336978), (9954, 2026367), (10823, 1863666), (11613, 1736886), (12678, 1590981), (13426, 1502343), (14791, 1363698), (17262, 1168489), (19017, 1060654), (20139, 1001562), (21646, 931833), (23226, 868443), (29582, 681849), (32469, 621222), (34839, 578962), (38034, 530327), (40278, 500781), (44373, 454566), (60417, 333854), (64938, 310611), (69678, 289481), (75761, 266238), (88746, 227283), (97407, 207074), (103537, 194814), (120834, 166927), (133119, 151522)]