20598777

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 31269888

約数和(自身を除く): 10671111

約数列:

[1, 3, 9, 23, 69, 191, 207, 521, 573, 1563, 1719, 4393, 4689, 11983, 13179, 35949, 39537, 99511, 107847, 298533, 895599, 2288753, 6866259, 20598777]

約数ペア:

[(1, 20598777), (3, 6866259), (9, 2288753), (23, 895599), (69, 298533), (191, 107847), (207, 99511), (521, 39537), (573, 35949), (1563, 13179), (1719, 11983), (4393, 4689)]