20996878578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1651477}}^1$

素因数の和:1651658

約数の個数: 32

約数和(自身を含む): 45501521856

約数和(自身を除く): 24504643278

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 326, 489, 978, 2119, 4238, 6357, 12714, 1651477, 3302954, 4954431, 9908862, 21469201, 42938402, 64407603, 128815206, 269190751, 538381502, 807572253, 1615144506, 3499479763, 6998959526, 10498439289, 20996878578]

約数ペア:

[(1, 20996878578), (2, 10498439289), (3, 6998959526), (6, 3499479763), (13, 1615144506), (26, 807572253), (39, 538381502), (78, 269190751), (163, 128815206), (326, 64407603), (489, 42938402), (978, 21469201), (2119, 9908862), (4238, 4954431), (6357, 3302954), (12714, 1651477)]