20894164

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73571}}^1$

素因数の和:73646

約数の個数: 12

約数和(自身を含む): 37080288

約数和(自身を除く): 16186124

約数列:

[1, 2, 4, 71, 142, 284, 73571, 147142, 294284, 5223541, 10447082, 20894164]

約数ペア:

[(1, 20894164), (2, 10447082), (4, 5223541), (71, 294284), (142, 147142), (284, 73571)]