20290466768

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{73291}}^1$

素因数の和:73345

約数の個数: 80

約数和(自身を含む): 46567977792

約数和(自身を除く): 26277511024

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 484, 572, 968, 1144, 1331, 1573, 1936, 2288, 2662, 3146, 5324, 6292, 10648, 12584, 17303, 21296, 25168, 34606, 69212, 73291, 138424, 146582, 276848, 293164, 586328, 806201, 952783, 1172656, 1612402, 1905566, 3224804, 3811132, 6449608, 7622264, 8868211, 10480613, 12899216, 15244528, 17736422, 20961226, 35472844, 41922452, 70945688, 83844904, 97550321, 115286743, 141891376, 167689808, 195100642, 230573486, 390201284, 461146972, 780402568, 922293944, 1268154173, 1560805136, 1844587888, 2536308346, 5072616692, 10145233384, 20290466768]

約数ペア:

[(1, 20290466768), (2, 10145233384), (4, 5072616692), (8, 2536308346), (11, 1844587888), (13, 1560805136), (16, 1268154173), (22, 922293944), (26, 780402568), (44, 461146972), (52, 390201284), (88, 230573486), (104, 195100642), (121, 167689808), (143, 141891376), (176, 115286743), (208, 97550321), (242, 83844904), (286, 70945688), (484, 41922452), (572, 35472844), (968, 20961226), (1144, 17736422), (1331, 15244528), (1573, 12899216), (1936, 10480613), (2288, 8868211), (2662, 7622264), (3146, 6449608), (5324, 3811132), (6292, 3224804), (10648, 1905566), (12584, 1612402), (17303, 1172656), (21296, 952783), (25168, 806201), (34606, 586328), (69212, 293164), (73291, 276848), (138424, 146582)]