20790497

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4861}}^1$

素因数の和:4928

約数の個数: 16

約数和(自身を含む): 26138112

約数和(自身を除く): 5347615

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4861, 34027, 63193, 228467, 442351, 1599269, 2970071, 20790497]

約数ペア:

[(1, 20790497), (7, 2970071), (13, 1599269), (47, 442351), (91, 228467), (329, 63193), (611, 34027), (4277, 4861)]