2021809340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{45763}}^1$

素因数の和:45866

約数の個数: 36

約数和(自身を含む): 4338152616

約数和(自身を除く): 2316343276

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2209, 4418, 8836, 11045, 22090, 44180, 45763, 91526, 183052, 228815, 457630, 915260, 2150861, 4301722, 8603444, 10754305, 21508610, 43017220, 101090467, 202180934, 404361868, 505452335, 1010904670, 2021809340]

約数ペア:

[(1, 2021809340), (2, 1010904670), (4, 505452335), (5, 404361868), (10, 202180934), (20, 101090467), (47, 43017220), (94, 21508610), (188, 10754305), (235, 8603444), (470, 4301722), (940, 2150861), (2209, 915260), (4418, 457630), (8836, 228815), (11045, 183052), (22090, 91526), (44180, 45763)]