20912012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{475273}}^1$

素因数の和:475288

約数の個数: 12

約数和(自身を含む): 39923016

約数和(自身を除く): 19011004

約数列:

[1, 2, 4, 11, 22, 44, 475273, 950546, 1901092, 5228003, 10456006, 20912012]

約数ペア:

[(1, 20912012), (2, 10456006), (4, 5228003), (11, 1901092), (22, 950546), (44, 475273)]