2019585220

素因数分解:

$2^2\times 5^1\times {\mathrm{100979261}}^1$

素因数の和:100979270

約数の個数: 12

約数和(自身を含む): 4241129004

約数和(自身を除く): 2221543784

約数列:

[1, 2, 4, 5, 10, 20, 100979261, 201958522, 403917044, 504896305, 1009792610, 2019585220]

約数ペア:

[(1, 2019585220), (2, 1009792610), (4, 504896305), (5, 403917044), (10, 201958522), (20, 100979261)]