20148868

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 36575000

約数和(自身を除く): 16426132

約数列:

[1, 2, 4, 37, 74, 109, 148, 218, 436, 1249, 2498, 4033, 4996, 8066, 16132, 46213, 92426, 136141, 184852, 272282, 544564, 5037217, 10074434, 20148868]

約数ペア:

[(1, 20148868), (2, 10074434), (4, 5037217), (37, 544564), (74, 272282), (109, 184852), (148, 136141), (218, 92426), (436, 46213), (1249, 16132), (2498, 8066), (4033, 4996)]