20366912178

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15936551}}^1$

素因数の和:15936630

約数の個数: 24

約数和(自身を含む): 44749838016

約数和(自身を除く): 24382925838

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15936551, 31873102, 47809653, 95619306, 143428959, 286857918, 1131495121, 2262990242, 3394485363, 6788970726, 10183456089, 20366912178]

約数ペア:

[(1, 20366912178), (2, 10183456089), (3, 6788970726), (6, 3394485363), (9, 2262990242), (18, 1131495121), (71, 286857918), (142, 143428959), (213, 95619306), (426, 47809653), (639, 31873102), (1278, 15936551)]