20487982

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:711

約数の個数: 16

約数和(自身を含む): 31190400

約数和(自身を除く): 10702418

約数列:

[1, 2, 151, 179, 302, 358, 379, 758, 27029, 54058, 57229, 67841, 114458, 135682, 10243991, 20487982]

約数ペア:

[(1, 20487982), (2, 10243991), (151, 135682), (179, 114458), (302, 67841), (358, 57229), (379, 54058), (758, 27029)]