20645694

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{18803}}^1$

素因数の和:18872

約数の個数: 24

約数和(自身を含む): 45468072

約数和(自身を除く): 24822378

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 18803, 37606, 56409, 112818, 169227, 338454, 1146983, 2293966, 3440949, 6881898, 10322847, 20645694]

約数ペア:

[(1, 20645694), (2, 10322847), (3, 6881898), (6, 3440949), (9, 2293966), (18, 1146983), (61, 338454), (122, 169227), (183, 112818), (366, 56409), (549, 37606), (1098, 18803)]