20218162569

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{557}}^1\times {\mathrm{2161}}^1$

素因数の和:3241

約数の個数: 32

約数和(自身を含む): 29532574080

約数和(自身を除く): 9314411511

約数列:

[1, 3, 11, 33, 509, 557, 1527, 1671, 2161, 5599, 6127, 6483, 16797, 18381, 23771, 71313, 283513, 850539, 1099949, 1203677, 3118643, 3299847, 3611031, 9355929, 12099439, 13240447, 36298317, 39721341, 612671593, 1838014779, 6739387523, 20218162569]

約数ペア:

[(1, 20218162569), (3, 6739387523), (11, 1838014779), (33, 612671593), (509, 39721341), (557, 36298317), (1527, 13240447), (1671, 12099439), (2161, 9355929), (5599, 3611031), (6127, 3299847), (6483, 3118643), (16797, 1203677), (18381, 1099949), (23771, 850539), (71313, 283513)]