20452615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3389}}^1$

素因数の和:3482

約数の個数: 16

約数和(自身を含む): 26360640

約数和(自身を除く): 5908025

約数列:

[1, 5, 17, 71, 85, 355, 1207, 3389, 6035, 16945, 57613, 240619, 288065, 1203095, 4090523, 20452615]

約数ペア:

[(1, 20452615), (5, 4090523), (17, 1203095), (71, 288065), (85, 240619), (355, 57613), (1207, 16945), (3389, 6035)]