20408935939

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{229}}^2\times {\mathrm{1049}}^1$

素因数の和:1567

約数の個数: 24

約数和(自身を含む): 23891565600

約数和(自身を除く): 3482629661

約数列:

[1, 7, 53, 229, 371, 1049, 1603, 7343, 12137, 52441, 55597, 84959, 240221, 367087, 389179, 1681547, 2779373, 12731713, 19455611, 55010609, 89121991, 385074263, 2915562277, 20408935939]

約数ペア:

[(1, 20408935939), (7, 2915562277), (53, 385074263), (229, 89121991), (371, 55010609), (1049, 19455611), (1603, 12731713), (7343, 2779373), (12137, 1681547), (52441, 389179), (55597, 367087), (84959, 240221)]