20807185

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 30551040

約数和(自身を除く): 9743855

約数列:

[1, 5, 7, 19, 35, 67, 95, 133, 335, 467, 469, 665, 1273, 2335, 2345, 3269, 6365, 8873, 8911, 16345, 31289, 44365, 44555, 62111, 156445, 219023, 310555, 594491, 1095115, 2972455, 4161437, 20807185]

約数ペア:

[(1, 20807185), (5, 4161437), (7, 2972455), (19, 1095115), (35, 594491), (67, 310555), (95, 219023), (133, 156445), (335, 62111), (467, 44555), (469, 44365), (665, 31289), (1273, 16345), (2335, 8911), (2345, 8873), (3269, 6365)]