20178370936

素因数分解:

$2^3\times {\mathrm{9697}}^1\times {\mathrm{260111}}^1$

素因数の和:269814

約数の個数: 16

約数和(自身を含む): 37838492640

約数和(自身を除く): 17660121704

約数列:

[1, 2, 4, 8, 9697, 19394, 38788, 77576, 260111, 520222, 1040444, 2080888, 2522296367, 5044592734, 10089185468, 20178370936]

約数ペア:

[(1, 20178370936), (2, 10089185468), (4, 5044592734), (8, 2522296367), (9697, 2080888), (19394, 1040444), (38788, 520222), (77576, 260111)]