20792876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1423}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 39353664

約数和(自身を除く): 18560788

約数列:

[1, 2, 4, 13, 26, 52, 281, 562, 1124, 1423, 2846, 3653, 5692, 7306, 14612, 18499, 36998, 73996, 399863, 799726, 1599452, 5198219, 10396438, 20792876]

約数ペア:

[(1, 20792876), (2, 10396438), (4, 5198219), (13, 1599452), (26, 799726), (52, 399863), (281, 73996), (562, 36998), (1124, 18499), (1423, 14612), (2846, 7306), (3653, 5692)]