20643998

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7573}}^1$

素因数の和:7651

約数の個数: 16

約数和(自身を含む): 32719680

約数和(自身を除く): 12075682

約数列:

[1, 2, 29, 47, 58, 94, 1363, 2726, 7573, 15146, 219617, 355931, 439234, 711862, 10321999, 20643998]

約数ペア:

[(1, 20643998), (2, 10321999), (29, 711862), (47, 439234), (58, 355931), (94, 219617), (1363, 15146), (2726, 7573)]