20190260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{457}}^1$

素因数の和:560

約数の個数: 36

約数和(自身を含む): 43415652

約数和(自身を除く): 23225392

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 457, 470, 914, 940, 1828, 2209, 2285, 4418, 4570, 8836, 9140, 11045, 21479, 22090, 42958, 44180, 85916, 107395, 214790, 429580, 1009513, 2019026, 4038052, 5047565, 10095130, 20190260]

約数ペア:

[(1, 20190260), (2, 10095130), (4, 5047565), (5, 4038052), (10, 2019026), (20, 1009513), (47, 429580), (94, 214790), (188, 107395), (235, 85916), (457, 44180), (470, 42958), (914, 22090), (940, 21479), (1828, 11045), (2209, 9140), (2285, 8836), (4418, 4570)]