205692020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{56821}}^1$

素因数の和:57011

約数の個数: 24

約数和(自身を含む): 434347368

約数和(自身を除く): 228655348

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 56821, 113642, 227284, 284105, 568210, 1136420, 10284601, 20569202, 41138404, 51423005, 102846010, 205692020]

約数ペア:

[(1, 205692020), (2, 102846010), (4, 51423005), (5, 41138404), (10, 20569202), (20, 10284601), (181, 1136420), (362, 568210), (724, 284105), (905, 227284), (1810, 113642), (3620, 56821)]