20904772860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116137627}}^1$

素因数の和:116137642

約数の個数: 36

約数和(自身を含む): 63411144888

約数和(自身を除く): 42506372028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116137627, 232275254, 348412881, 464550508, 580688135, 696825762, 1045238643, 1161376270, 1393651524, 1742064405, 2090477286, 2322752540, 3484128810, 4180954572, 5226193215, 6968257620, 10452386430, 20904772860]

約数ペア:

[(1, 20904772860), (2, 10452386430), (3, 6968257620), (4, 5226193215), (5, 4180954572), (6, 3484128810), (9, 2322752540), (10, 2090477286), (12, 1742064405), (15, 1393651524), (18, 1161376270), (20, 1045238643), (30, 696825762), (36, 580688135), (45, 464550508), (60, 348412881), (90, 232275254), (180, 116137627)]