20572916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56519}}^1$

素因数の和:56543

約数の個数: 24

約数和(自身を含む): 44311680

約数和(自身を除く): 23738764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56519, 113038, 226076, 395633, 734747, 791266, 1469494, 1582532, 2938988, 5143229, 10286458, 20572916]

約数ペア:

[(1, 20572916), (2, 10286458), (4, 5143229), (7, 2938988), (13, 1582532), (14, 1469494), (26, 791266), (28, 734747), (52, 395633), (91, 226076), (182, 113038), (364, 56519)]