20624485

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2039}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 30061440

約数和(自身を除く): 9436955

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1445, 2023, 2039, 10115, 10195, 14273, 34663, 71365, 173315, 242641, 589271, 1213205, 2946355, 4124897, 20624485]

約数ペア:

[(1, 20624485), (5, 4124897), (7, 2946355), (17, 1213205), (35, 589271), (85, 242641), (119, 173315), (289, 71365), (595, 34663), (1445, 14273), (2023, 10195), (2039, 10115)]