20895245

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9787}}^1$

素因数の和:9860

約数の個数: 16

約数和(自身を含む): 29129088

約数和(自身を除く): 8233843

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9787, 48935, 68509, 342545, 597007, 2985035, 4179049, 20895245]

約数ペア:

[(1, 20895245), (5, 4179049), (7, 2985035), (35, 597007), (61, 342545), (305, 68509), (427, 48935), (2135, 9787)]