82176020

素因数分解:

$2^2\times 5^1\times {\mathrm{4108801}}^1$

素因数の和:4108810

約数の個数: 12

約数和(自身を含む): 172569684

約数和(自身を除く): 90393664

約数列:

[1, 2, 4, 5, 10, 20, 4108801, 8217602, 16435204, 20544005, 41088010, 82176020]

約数ペア:

[(1, 82176020), (2, 41088010), (4, 20544005), (5, 16435204), (10, 8217602), (20, 4108801)]