20579656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{389}}^2$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 40961970

約数和(自身を除く): 20382314

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 389, 778, 1556, 3112, 6613, 13226, 26452, 52904, 151321, 302642, 605284, 1210568, 2572457, 5144914, 10289828, 20579656]

約数ペア:

[(1, 20579656), (2, 10289828), (4, 5144914), (8, 2572457), (17, 1210568), (34, 605284), (68, 302642), (136, 151321), (389, 52904), (778, 26452), (1556, 13226), (3112, 6613)]