20086664

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 41504400

約数和(自身を除く): 21417736

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 169, 179, 332, 338, 358, 664, 676, 716, 1079, 1352, 1432, 2158, 2327, 4316, 4654, 8632, 9308, 14027, 14857, 18616, 28054, 29714, 30251, 56108, 59428, 60502, 112216, 118856, 121004, 193141, 242008, 386282, 772564, 1545128, 2510833, 5021666, 10043332, 20086664]

約数ペア:

[(1, 20086664), (2, 10043332), (4, 5021666), (8, 2510833), (13, 1545128), (26, 772564), (52, 386282), (83, 242008), (104, 193141), (166, 121004), (169, 118856), (179, 112216), (332, 60502), (338, 59428), (358, 56108), (664, 30251), (676, 29714), (716, 28054), (1079, 18616), (1352, 14857), (1432, 14027), (2158, 9308), (2327, 8632), (4316, 4654)]