20123612908

素因数分解:

$2^2\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{651587}}^1$

素因数の和:652701

約数の個数: 24

約数和(自身を含む): 40283776512

約数和(自身を除く): 20160163604

約数列:

[1, 2, 4, 7, 14, 28, 1103, 2206, 4412, 7721, 15442, 30884, 651587, 1303174, 2606348, 4561109, 9122218, 18244436, 718700461, 1437400922, 2874801844, 5030903227, 10061806454, 20123612908]

約数ペア:

[(1, 20123612908), (2, 10061806454), (4, 5030903227), (7, 2874801844), (14, 1437400922), (28, 718700461), (1103, 18244436), (2206, 9122218), (4412, 4561109), (7721, 2606348), (15442, 1303174), (30884, 651587)]