12920974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{2437}}^1$

素因数の和:2691

約数の個数: 16

約数和(自身を含む): 21239856

約数和(自身を除く): 8318882

約数列:

[1, 2, 11, 22, 241, 482, 2437, 2651, 4874, 5302, 26807, 53614, 587317, 1174634, 6460487, 12920974]

約数ペア:

[(1, 12920974), (2, 6460487), (11, 1174634), (22, 587317), (241, 53614), (482, 26807), (2437, 5302), (2651, 4874)]