20895135

素因数分解:

$3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3581}}^1$

素因数の和:3978

約数の個数: 16

約数和(自身を含む): 33527520

約数和(自身を除く): 12632385

約数列:

[1, 3, 5, 15, 389, 1167, 1945, 3581, 5835, 10743, 17905, 53715, 1393009, 4179027, 6965045, 20895135]

約数ペア:

[(1, 20895135), (3, 6965045), (5, 4179027), (15, 1393009), (389, 53715), (1167, 17905), (1945, 10743), (3581, 5835)]