20188497

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1777}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 30837632

約数和(自身を除く): 10649135

約数列:

[1, 3, 7, 21, 541, 1623, 1777, 3787, 5331, 11361, 12439, 37317, 961357, 2884071, 6729499, 20188497]

約数ペア:

[(1, 20188497), (3, 6729499), (7, 2884071), (21, 961357), (541, 37317), (1623, 12439), (1777, 11361), (3787, 5331)]