20662187

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4831}}^1$

素因数の和:4898

約数の個数: 16

約数和(自身を含む): 25976832

約数和(自身を除く): 5314645

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4831, 33817, 62803, 227057, 439621, 1589399, 2951741, 20662187]

約数ペア:

[(1, 20662187), (7, 2951741), (13, 1589399), (47, 439621), (91, 227057), (329, 62803), (611, 33817), (4277, 4831)]