20912174927

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{1033}}^1\times {\mathrm{70537}}^1$

素因数の和:71618

約数の個数: 16

約数和(自身を含む): 24506594112

約数和(自身を除く): 3594419185

約数列:

[1, 7, 41, 287, 1033, 7231, 42353, 70537, 296471, 493759, 2892017, 20244119, 72864721, 510053047, 2987453561, 20912174927]

約数ペア:

[(1, 20912174927), (7, 2987453561), (41, 510053047), (287, 72864721), (1033, 20244119), (7231, 2892017), (42353, 493759), (70537, 296471)]