20280874

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{653}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 31148712

約数和(自身を除く): 10867838

約数列:

[1, 2, 53, 106, 293, 586, 653, 1306, 15529, 31058, 34609, 69218, 191329, 382658, 10140437, 20280874]

約数ペア:

[(1, 20280874), (2, 10140437), (53, 382658), (106, 191329), (293, 69218), (586, 34609), (653, 31058), (1306, 15529)]