20427848

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9859}}^1$

素因数の和:9909

約数の個数: 32

約数和(自身を含む): 44961600

約数和(自身を除く): 24533752

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9859, 19718, 39436, 69013, 78872, 138026, 276052, 364783, 552104, 729566, 1459132, 2553481, 2918264, 5106962, 10213924, 20427848]

約数ペア:

[(1, 20427848), (2, 10213924), (4, 5106962), (7, 2918264), (8, 2553481), (14, 1459132), (28, 729566), (37, 552104), (56, 364783), (74, 276052), (148, 138026), (259, 78872), (296, 69013), (518, 39436), (1036, 19718), (2072, 9859)]