20040592

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 28081328

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 461, 494, 572, 836, 922, 988, 1144, 1672, 1844, 1976, 2288, 2717, 3344, 3688, 3952, 5071, 5434, 5993, 7376, 8759, 10142, 10868, 11986, 17518, 20284, 21736, 23972, 35036, 40568, 43472, 47944, 65923, 70072, 81136, 95888, 96349, 113867, 131846, 140144, 192698, 227734, 263692, 385396, 455468, 527384, 770792, 910936, 1054768, 1252537, 1541584, 1821872, 2505074, 5010148, 10020296, 20040592]

約数ペア:

[(1, 20040592), (2, 10020296), (4, 5010148), (8, 2505074), (11, 1821872), (13, 1541584), (16, 1252537), (19, 1054768), (22, 910936), (26, 770792), (38, 527384), (44, 455468), (52, 385396), (76, 263692), (88, 227734), (104, 192698), (143, 140144), (152, 131846), (176, 113867), (208, 96349), (209, 95888), (247, 81136), (286, 70072), (304, 65923), (418, 47944), (461, 43472), (494, 40568), (572, 35036), (836, 23972), (922, 21736), (988, 20284), (1144, 17518), (1672, 11986), (1844, 10868), (1976, 10142), (2288, 8759), (2717, 7376), (3344, 5993), (3688, 5434), (3952, 5071)]