2020016

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:860

約数の個数: 20

約数和(自身を含む): 3940224

約数和(自身を除く): 1920208

約数列:

[1, 2, 4, 8, 16, 191, 382, 661, 764, 1322, 1528, 2644, 3056, 5288, 10576, 126251, 252502, 505004, 1010008, 2020016]

約数ペア:

[(1, 2020016), (2, 1010008), (4, 505004), (8, 252502), (16, 126251), (191, 10576), (382, 5288), (661, 3056), (764, 2644), (1322, 1528)]