903669980

素因数分解:

$2^2\times 5^1\times {\mathrm{2791}}^1\times {\mathrm{16189}}^1$

素因数の和:18989

約数の個数: 24

約数和(自身を含む): 1898504160

約数和(自身を除く): 994834180

約数列:

[1, 2, 4, 5, 10, 20, 2791, 5582, 11164, 13955, 16189, 27910, 32378, 55820, 64756, 80945, 161890, 323780, 45183499, 90366998, 180733996, 225917495, 451834990, 903669980]

約数ペア:

[(1, 903669980), (2, 451834990), (4, 225917495), (5, 180733996), (10, 90366998), (20, 45183499), (2791, 323780), (5582, 161890), (11164, 80945), (13955, 64756), (16189, 55820), (27910, 32378)]