20471048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196837}}^1$

素因数の和:196856

約数の個数: 16

約数和(自身を含む): 41335980

約数和(自身を除く): 20864932

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196837, 393674, 787348, 1574696, 2558881, 5117762, 10235524, 20471048]

約数ペア:

[(1, 20471048), (2, 10235524), (4, 5117762), (8, 2558881), (13, 1574696), (26, 787348), (52, 393674), (104, 196837)]