20520042

素因数分解:

$2^1\times 3^1\times {\mathrm{1451}}^1\times {\mathrm{2357}}^1$

素因数の和:3813

約数の個数: 16

約数和(自身を含む): 41085792

約数和(自身を除く): 20565750

約数列:

[1, 2, 3, 6, 1451, 2357, 2902, 4353, 4714, 7071, 8706, 14142, 3420007, 6840014, 10260021, 20520042]

約数ペア:

[(1, 20520042), (2, 10260021), (3, 6840014), (6, 3420007), (1451, 14142), (2357, 8706), (2902, 7071), (4353, 4714)]