20204620

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1601}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 42523488

約数和(自身を除く): 22318868

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 1601, 2524, 3155, 3202, 6310, 6404, 8005, 12620, 16010, 32020, 1010231, 2020462, 4040924, 5051155, 10102310, 20204620]

約数ペア:

[(1, 20204620), (2, 10102310), (4, 5051155), (5, 4040924), (10, 2020462), (20, 1010231), (631, 32020), (1262, 16010), (1601, 12620), (2524, 8005), (3155, 6404), (3202, 6310)]