20201491618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131178517}}^1$

素因数の和:131178537

約数の個数: 16

約数和(自身を含む): 37779413184

約数和(自身を除く): 17577921566

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 131178517, 262357034, 918249619, 1442963687, 1836499238, 2885927374, 10100745809, 20201491618]

約数ペア:

[(1, 20201491618), (2, 10100745809), (7, 2885927374), (11, 1836499238), (14, 1442963687), (22, 918249619), (77, 262357034), (154, 131178517)]