20807853

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11897}}^1$

素因数の和:11964

約数の個数: 16

約数和(自身を含む): 30839616

約数和(自身を除く): 10031763

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 11897, 35691, 130867, 392601, 630541, 1891623, 6935951, 20807853]

約数ペア:

[(1, 20807853), (3, 6935951), (11, 1891623), (33, 630541), (53, 392601), (159, 130867), (583, 35691), (1749, 11897)]