20171249972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{4787}}^1\times {\mathrm{61967}}^1$

素因数の和:66775

約数の個数: 24

約数和(自身を含む): 37384550784

約数和(自身を除く): 17213300812

約数列:

[1, 2, 4, 17, 34, 68, 4787, 9574, 19148, 61967, 81379, 123934, 162758, 247868, 325516, 1053439, 2106878, 4213756, 296636029, 593272058, 1186544116, 5042812493, 10085624986, 20171249972]

約数ペア:

[(1, 20171249972), (2, 10085624986), (4, 5042812493), (17, 1186544116), (34, 593272058), (68, 296636029), (4787, 4213756), (9574, 2106878), (19148, 1053439), (61967, 325516), (81379, 247868), (123934, 162758)]