20123701816

素因数分解:

$2^3\times {\mathrm{1123}}^1\times {\mathrm{2239949}}^1$

素因数の和:2241078

約数の個数: 16

約数和(自身を含む): 37765557000

約数和(自身を除く): 17641855184

約数列:

[1, 2, 4, 8, 1123, 2246, 4492, 8984, 2239949, 4479898, 8959796, 17919592, 2515462727, 5030925454, 10061850908, 20123701816]

約数ペア:

[(1, 20123701816), (2, 10061850908), (4, 5030925454), (8, 2515462727), (1123, 17919592), (2246, 8959796), (4492, 4479898), (8984, 2239949)]