20121660472

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{10523881}}^1$

素因数の和:10524126

約数の個数: 16

約数和(自身を含む): 37885975200

約数和(自身を除く): 17764314728

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 10523881, 21047762, 42095524, 84191048, 2515207559, 5030415118, 10060830236, 20121660472]

約数ペア:

[(1, 20121660472), (2, 10060830236), (4, 5030415118), (8, 2515207559), (239, 84191048), (478, 42095524), (956, 21047762), (1912, 10523881)]