20218505587

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21716977}}^1$

素因数の和:21717010

約数の個数: 12

約数和(自身を含む): 24757354920

約数和(自身を除く): 4538849333

約数列:

[1, 7, 19, 49, 133, 931, 21716977, 152018839, 412622563, 1064131873, 2888357941, 20218505587]

約数ペア:

[(1, 20218505587), (7, 2888357941), (19, 1064131873), (49, 412622563), (133, 152018839), (931, 21716977)]