20187274814

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38971573}}^1$

素因数の和:38971619

約数の個数: 16

約数和(自身を含む): 35542075488

約数和(自身を除く): 15354800674

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38971573, 77943146, 272801011, 545602022, 1441948201, 2883896402, 10093637407, 20187274814]

約数ペア:

[(1, 20187274814), (2, 10093637407), (7, 2883896402), (14, 1441948201), (37, 545602022), (74, 272801011), (259, 77943146), (518, 38971573)]