20246681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{821}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 25041408

約数和(自身を除く): 4794727

約数列:

[1, 7, 13, 91, 271, 821, 1897, 3523, 5747, 10673, 24661, 74711, 222491, 1557437, 2892383, 20246681]

約数ペア:

[(1, 20246681), (7, 2892383), (13, 1557437), (91, 222491), (271, 74711), (821, 24661), (1897, 10673), (3523, 5747)]