16520620

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1483}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 34779024

約数和(自身を除く): 18258404

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1483, 2228, 2785, 2966, 5570, 5932, 7415, 11140, 14830, 29660, 826031, 1652062, 3304124, 4130155, 8260310, 16520620]

約数ペア:

[(1, 16520620), (2, 8260310), (4, 4130155), (5, 3304124), (10, 1652062), (20, 826031), (557, 29660), (1114, 14830), (1483, 11140), (2228, 7415), (2785, 5932), (2966, 5570)]