20961562945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{5209}}^1\times {\mathrm{42359}}^1$

素因数の和:47592

約数の個数: 16

約数和(自身を含む): 26483472000

約数和(自身を除く): 5521909055

約数列:

[1, 5, 19, 95, 5209, 26045, 42359, 98971, 211795, 494855, 804821, 4024105, 220648031, 1103240155, 4192312589, 20961562945]

約数ペア:

[(1, 20961562945), (5, 4192312589), (19, 1103240155), (95, 220648031), (5209, 4024105), (26045, 804821), (42359, 494855), (98971, 211795)]