20197675778

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18261913}}^1$

素因数の和:18262001

約数の個数: 16

約数和(自身を含む): 35062874880

約数和(自身を除く): 14865199102

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 18261913, 36523826, 127833391, 255666782, 1442691127, 2885382254, 10098837889, 20197675778]

約数ペア:

[(1, 20197675778), (2, 10098837889), (7, 2885382254), (14, 1442691127), (79, 255666782), (158, 127833391), (553, 36523826), (1106, 18261913)]