20170853872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{300233}}^1$

素因数の和:300290

約数の個数: 80

約数和(自身を含む): 46908560160

約数和(自身を除く): 26737706288

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 208, 221, 247, 272, 304, 323, 442, 494, 646, 884, 988, 1292, 1768, 1976, 2584, 3536, 3952, 4199, 5168, 8398, 16796, 33592, 67184, 300233, 600466, 1200932, 2401864, 3903029, 4803728, 5103961, 5704427, 7806058, 10207922, 11408854, 15612116, 20415844, 22817708, 31224232, 40831688, 45635416, 62448464, 66351493, 74157551, 81663376, 91270832, 96975259, 132702986, 148315102, 193950518, 265405972, 296630204, 387901036, 530811944, 593260408, 775802072, 1061623888, 1186520816, 1260678367, 1551604144, 2521356734, 5042713468, 10085426936, 20170853872]

約数ペア:

[(1, 20170853872), (2, 10085426936), (4, 5042713468), (8, 2521356734), (13, 1551604144), (16, 1260678367), (17, 1186520816), (19, 1061623888), (26, 775802072), (34, 593260408), (38, 530811944), (52, 387901036), (68, 296630204), (76, 265405972), (104, 193950518), (136, 148315102), (152, 132702986), (208, 96975259), (221, 91270832), (247, 81663376), (272, 74157551), (304, 66351493), (323, 62448464), (442, 45635416), (494, 40831688), (646, 31224232), (884, 22817708), (988, 20415844), (1292, 15612116), (1768, 11408854), (1976, 10207922), (2584, 7806058), (3536, 5704427), (3952, 5103961), (4199, 4803728), (5168, 3903029), (8398, 2401864), (16796, 1200932), (33592, 600466), (67184, 300233)]