20218511021

素因数分解:

${\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{571}}^1\times {\mathrm{3407}}^1$

素因数の和:4544

約数の個数: 16

約数和(自身を含む): 21365160960

約数和(自身を除く): 1146649939

約数列:

[1, 19, 547, 571, 3407, 10393, 10849, 64733, 312337, 1863629, 1945397, 5934403, 35408951, 36962543, 1064132159, 20218511021]

約数ペア:

[(1, 20218511021), (19, 1064132159), (547, 36962543), (571, 35408951), (3407, 5934403), (10393, 1945397), (10849, 1863629), (64733, 312337)]