20257890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{675263}}^1$

素因数の和:675273

約数の個数: 16

約数和(自身を含む): 48619008

約数和(自身を除く): 28361118

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 675263, 1350526, 2025789, 3376315, 4051578, 6752630, 10128945, 20257890]

約数ペア:

[(1, 20257890), (2, 10128945), (3, 6752630), (5, 4051578), (6, 3376315), (10, 2025789), (15, 1350526), (30, 675263)]