20257970187

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10600717}}^1$

素因数の和:10600747

約数の個数: 24

約数和(自身を含む): 33837491856

約数和(自身を除く): 13579521669

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10600717, 31802151, 74205019, 137809321, 222615057, 413427963, 519435133, 964665247, 1558305399, 2893995741, 6752656729, 20257970187]

約数ペア:

[(1, 20257970187), (3, 6752656729), (7, 2893995741), (13, 1558305399), (21, 964665247), (39, 519435133), (49, 413427963), (91, 222615057), (147, 137809321), (273, 74205019), (637, 31802151), (1911, 10600717)]