20582020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19417}}^1$

素因数の和:19479

約数の個数: 24

約数和(自身を含む): 44040024

約数和(自身を除く): 23458004

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 19417, 38834, 77668, 97085, 194170, 388340, 1029101, 2058202, 4116404, 5145505, 10291010, 20582020]

約数ペア:

[(1, 20582020), (2, 10291010), (4, 5145505), (5, 4116404), (10, 2058202), (20, 1029101), (53, 388340), (106, 194170), (212, 97085), (265, 77668), (530, 38834), (1060, 19417)]