406056020

素因数分解:

$2^2\times 5^1\times {\mathrm{20302801}}^1$

素因数の和:20302810

約数の個数: 12

約数和(自身を含む): 852717684

約数和(自身を除く): 446661664

約数列:

[1, 2, 4, 5, 10, 20, 20302801, 40605602, 81211204, 101514005, 203028010, 406056020]

約数ペア:

[(1, 406056020), (2, 203028010), (4, 101514005), (5, 81211204), (10, 40605602), (20, 20302801)]