20915204

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{5441}}^1$

素因数の和:5507

約数の個数: 18

約数和(自身を含む): 37827342

約数和(自身を除く): 16912138

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 5441, 10882, 21764, 168671, 337342, 674684, 5228801, 10457602, 20915204]

約数ペア:

[(1, 20915204), (2, 10457602), (4, 5228801), (31, 674684), (62, 337342), (124, 168671), (961, 21764), (1922, 10882), (3844, 5441)]