20680257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{919}}^1$

素因数の和:1512

約数の個数: 16

約数和(自身を含む): 29778560

約数和(自身を除く): 9098303

約数列:

[1, 3, 13, 39, 577, 919, 1731, 2757, 7501, 11947, 22503, 35841, 530263, 1590789, 6893419, 20680257]

約数ペア:

[(1, 20680257), (3, 6893419), (13, 1590789), (39, 530263), (577, 35841), (919, 22503), (1731, 11947), (2757, 7501)]