2972020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 6283368

約数和(自身を除く): 3311348

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 821, 905, 1642, 1810, 3284, 3620, 4105, 8210, 16420, 148601, 297202, 594404, 743005, 1486010, 2972020]

約数ペア:

[(1, 2972020), (2, 1486010), (4, 743005), (5, 594404), (10, 297202), (20, 148601), (181, 16420), (362, 8210), (724, 4105), (821, 3620), (905, 3284), (1642, 1810)]