20177019

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 30942912

約数和(自身を除く): 10765893

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 1161, 1931, 3483, 5793, 10449, 17379, 52137, 83033, 156411, 249099, 469233, 747297, 2241891, 6725673, 20177019]

約数ペア:

[(1, 20177019), (3, 6725673), (9, 2241891), (27, 747297), (43, 469233), (81, 249099), (129, 156411), (243, 83033), (387, 52137), (1161, 17379), (1931, 10449), (3483, 5793)]