20621709

素因数分解:

$3^5\times {\mathrm{113}}^1\times {\mathrm{751}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 31204992

約数和(自身を除く): 10583283

約数列:

[1, 3, 9, 27, 81, 113, 243, 339, 751, 1017, 2253, 3051, 6759, 9153, 20277, 27459, 60831, 84863, 182493, 254589, 763767, 2291301, 6873903, 20621709]

約数ペア:

[(1, 20621709), (3, 6873903), (9, 2291301), (27, 763767), (81, 254589), (113, 182493), (243, 84863), (339, 60831), (751, 27459), (1017, 20277), (2253, 9153), (3051, 6759)]