20156594685

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10257809}}^1$

素因数の和:10257948

約数の個数: 16

約数和(自身を含む): 32496742080

約数和(自身を除く): 12340147395

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10257809, 30773427, 51289045, 153867135, 1343772979, 4031318937, 6718864895, 20156594685]

約数ペア:

[(1, 20156594685), (3, 6718864895), (5, 4031318937), (15, 1343772979), (131, 153867135), (393, 51289045), (655, 30773427), (1965, 10257809)]