20281569287

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1\times {\mathrm{69403}}^1$

素因数の和:69902

約数の個数: 16

約数和(自身を含む): 23452999680

約数和(自身を除く): 3171430393

約数列:

[1, 7, 109, 383, 763, 2681, 41747, 69403, 292229, 485821, 7564927, 26581349, 52954489, 186069443, 2897367041, 20281569287]

約数ペア:

[(1, 20281569287), (7, 2897367041), (109, 186069443), (383, 52954489), (763, 26581349), (2681, 7564927), (41747, 485821), (69403, 292229)]