20154548740

素因数分解:

$2^2\times 5^1\times {\mathrm{44647}}^1\times {\mathrm{22571}}^1$

素因数の和:67227

約数の個数: 24

約数和(自身を含む): 42327375552

約数和(自身を除く): 22172826812

約数列:

[1, 2, 4, 5, 10, 20, 22571, 44647, 45142, 89294, 90284, 112855, 178588, 223235, 225710, 446470, 451420, 892940, 1007727437, 2015454874, 4030909748, 5038637185, 10077274370, 20154548740]

約数ペア:

[(1, 20154548740), (2, 10077274370), (4, 5038637185), (5, 4030909748), (10, 2015454874), (20, 1007727437), (22571, 892940), (44647, 451420), (45142, 446470), (89294, 225710), (90284, 223235), (112855, 178588)]