20885644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5657}}^1$

素因数の和:5745

約数の個数: 24

約数和(自身を含む): 39922848

約数和(自身を除く): 19037204

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5657, 11314, 22628, 73541, 147082, 294164, 401647, 803294, 1606588, 5221411, 10442822, 20885644]

約数ペア:

[(1, 20885644), (2, 10442822), (4, 5221411), (13, 1606588), (26, 803294), (52, 401647), (71, 294164), (142, 147082), (284, 73541), (923, 22628), (1846, 11314), (3692, 5657)]