20344624

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17909}}^1$

素因数の和:17988

約数の個数: 20

約数和(自身を含む): 39975120

約数和(自身を除く): 19630496

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17909, 35818, 71636, 143272, 286544, 1271539, 2543078, 5086156, 10172312, 20344624]

約数ペア:

[(1, 20344624), (2, 10172312), (4, 5086156), (8, 2543078), (16, 1271539), (71, 286544), (142, 143272), (284, 71636), (568, 35818), (1136, 17909)]