20312270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16787}}^1$

素因数の和:16816

約数の個数: 24

約数和(自身を含む): 40190472

約数和(自身を除く): 19878202

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16787, 33574, 83935, 167870, 184657, 369314, 923285, 1846570, 2031227, 4062454, 10156135, 20312270]

約数ペア:

[(1, 20312270), (2, 10156135), (5, 4062454), (10, 2031227), (11, 1846570), (22, 923285), (55, 369314), (110, 184657), (121, 167870), (242, 83935), (605, 33574), (1210, 16787)]