17964038420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8720407}}^1$

素因数の和:8720519

約数の個数: 24

約数和(自身を含む): 38090742144

約数和(自身を除く): 20126703724

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 8720407, 17440814, 34881628, 43602035, 87204070, 174408140, 898201921, 1796403842, 3592807684, 4491009605, 8982019210, 17964038420]

約数ペア:

[(1, 17964038420), (2, 8982019210), (4, 4491009605), (5, 3592807684), (10, 1796403842), (20, 898201921), (103, 174408140), (206, 87204070), (412, 43602035), (515, 34881628), (1030, 17440814), (2060, 8720407)]