20902527

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 31973760

約数和(自身を除く): 11071233

約数列:

[1, 3, 9, 19, 57, 171, 251, 487, 753, 1461, 2259, 4383, 4769, 9253, 14307, 27759, 42921, 83277, 122237, 366711, 1100133, 2322503, 6967509, 20902527]

約数ペア:

[(1, 20902527), (3, 6967509), (9, 2322503), (19, 1100133), (57, 366711), (171, 122237), (251, 83277), (487, 42921), (753, 27759), (1461, 14307), (2259, 9253), (4383, 4769)]