20975578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{4507}}^1$

素因数の和:4701

約数の個数: 16

約数和(自身を含む): 34080480

約数和(自身を除く): 13104902

約数列:

[1, 2, 13, 26, 179, 358, 2327, 4507, 4654, 9014, 58591, 117182, 806753, 1613506, 10487789, 20975578]

約数ペア:

[(1, 20975578), (2, 10487789), (13, 1613506), (26, 806753), (179, 117182), (358, 58591), (2327, 9014), (4507, 4654)]