20115862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 34945344

約数和(自身を除く): 14829482

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 221, 442, 641, 923, 1207, 1282, 1846, 2414, 8333, 10897, 15691, 16666, 21794, 31382, 45511, 91022, 141661, 283322, 591643, 773687, 1183286, 1547374, 10057931, 20115862]

約数ペア:

[(1, 20115862), (2, 10057931), (13, 1547374), (17, 1183286), (26, 773687), (34, 591643), (71, 283322), (142, 141661), (221, 91022), (442, 45511), (641, 31382), (923, 21794), (1207, 16666), (1282, 15691), (1846, 10897), (2414, 8333)]