20502620

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4597}}^1$

素因数の和:4829

約数の個数: 24

約数和(自身を含む): 43257984

約数和(自身を除く): 22755364

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 4597, 9194, 18388, 22985, 45970, 91940, 1025131, 2050262, 4100524, 5125655, 10251310, 20502620]

約数ペア:

[(1, 20502620), (2, 10251310), (4, 5125655), (5, 4100524), (10, 2050262), (20, 1025131), (223, 91940), (446, 45970), (892, 22985), (1115, 18388), (2230, 9194), (4460, 4597)]