20153929509

素因数分解:

$3^2\times 7^1\times {\mathrm{4289}}^1\times {\mathrm{74587}}^1$

素因数の和:78889

約数の個数: 24

約数和(自身を含む): 33278182080

約数和(自身を除く): 13124252571

約数列:

[1, 3, 7, 9, 21, 63, 4289, 12867, 30023, 38601, 74587, 90069, 223761, 270207, 522109, 671283, 1566327, 4698981, 319903643, 959710929, 2239325501, 2879132787, 6717976503, 20153929509]

約数ペア:

[(1, 20153929509), (3, 6717976503), (7, 2879132787), (9, 2239325501), (21, 959710929), (63, 319903643), (4289, 4698981), (12867, 1566327), (30023, 671283), (38601, 522109), (74587, 270207), (90069, 223761)]