20960432

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{3203}}^1$

素因数の和:3620

約数の個数: 20

約数和(自身を含む): 40722840

約数和(自身を除く): 19762408

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3203, 3272, 6406, 6544, 12812, 25624, 51248, 1310027, 2620054, 5240108, 10480216, 20960432]

約数ペア:

[(1, 20960432), (2, 10480216), (4, 5240108), (8, 2620054), (16, 1310027), (409, 51248), (818, 25624), (1636, 12812), (3203, 6544), (3272, 6406)]