20986134

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2381}}^1$

素因数の和:2512

約数の個数: 32

約数和(自身を含む): 45620064

約数和(自身を除く): 24633930

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 113, 226, 339, 678, 1469, 2381, 2938, 4407, 4762, 7143, 8814, 14286, 30953, 61906, 92859, 185718, 269053, 538106, 807159, 1614318, 3497689, 6995378, 10493067, 20986134]

約数ペア:

[(1, 20986134), (2, 10493067), (3, 6995378), (6, 3497689), (13, 1614318), (26, 807159), (39, 538106), (78, 269053), (113, 185718), (226, 92859), (339, 61906), (678, 30953), (1469, 14286), (2381, 8814), (2938, 7143), (4407, 4762)]