20888894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{2617}}^1$

素因数の和:2939

約数の個数: 16

約数和(自身を含む): 33866448

約数和(自身を除く): 12977554

約数列:

[1, 2, 13, 26, 307, 614, 2617, 3991, 5234, 7982, 34021, 68042, 803419, 1606838, 10444447, 20888894]

約数ペア:

[(1, 20888894), (2, 10444447), (13, 1606838), (26, 803419), (307, 68042), (614, 34021), (2617, 7982), (3991, 5234)]