15897020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7717}}^1$

素因数の和:7829

約数の個数: 24

約数和(自身を含む): 33712224

約数和(自身を除く): 17815204

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 7717, 15434, 30868, 38585, 77170, 154340, 794851, 1589702, 3179404, 3974255, 7948510, 15897020]

約数ペア:

[(1, 15897020), (2, 7948510), (4, 3974255), (5, 3179404), (10, 1589702), (20, 794851), (103, 154340), (206, 77170), (412, 38585), (515, 30868), (1030, 15434), (2060, 7717)]