20848180

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2953}}^1$

素因数の和:3315

約数の個数: 24

約数和(自身を含む): 43920072

約数和(自身を除く): 23071892

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 2953, 3530, 5906, 7060, 11812, 14765, 29530, 59060, 1042409, 2084818, 4169636, 5212045, 10424090, 20848180]

約数ペア:

[(1, 20848180), (2, 10424090), (4, 5212045), (5, 4169636), (10, 2084818), (20, 1042409), (353, 59060), (706, 29530), (1412, 14765), (1765, 11812), (2953, 7060), (3530, 5906)]