20638017

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{44963}}^1$

素因数の和:44989

約数の個数: 16

約数和(自身を含む): 32374080

約数和(自身を除く): 11736063

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 44963, 134889, 404667, 764371, 1214001, 2293113, 6879339, 20638017]

約数ペア:

[(1, 20638017), (3, 6879339), (9, 2293113), (17, 1214001), (27, 764371), (51, 404667), (153, 134889), (459, 44963)]