191292020

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{14783}}^1$

素因数の和:15439

約数の個数: 24

約数和(自身を含む): 402361344

約数和(自身を除く): 211069324

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 12940, 14783, 29566, 59132, 73915, 147830, 295660, 9564601, 19129202, 38258404, 47823005, 95646010, 191292020]

約数ペア:

[(1, 191292020), (2, 95646010), (4, 47823005), (5, 38258404), (10, 19129202), (20, 9564601), (647, 295660), (1294, 147830), (2588, 73915), (3235, 59132), (6470, 29566), (12940, 14783)]