20331880

素因数分解:

$2^3\times 5^1\times {\mathrm{508297}}^1$

素因数の和:508308

約数の個数: 16

約数和(自身を含む): 45746820

約数和(自身を除く): 25414940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 508297, 1016594, 2033188, 2541485, 4066376, 5082970, 10165940, 20331880]

約数ペア:

[(1, 20331880), (2, 10165940), (4, 5082970), (5, 4066376), (8, 2541485), (10, 2033188), (20, 1016594), (40, 508297)]