20954552

素因数分解:

$2^3\times {\mathrm{1039}}^1\times {\mathrm{2521}}^1$

素因数の和:3566

約数の個数: 16

約数和(自身を含む): 39343200

約数和(自身を除く): 18388648

約数列:

[1, 2, 4, 8, 1039, 2078, 2521, 4156, 5042, 8312, 10084, 20168, 2619319, 5238638, 10477276, 20954552]

約数ペア:

[(1, 20954552), (2, 10477276), (4, 5238638), (8, 2619319), (1039, 20168), (2078, 10084), (2521, 8312), (4156, 5042)]