201640220

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{16447}}^1$

素因数の和:17069

約数の個数: 24

約数和(自身を含む): 424161024

約数和(自身を除く): 222520804

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 12260, 16447, 32894, 65788, 82235, 164470, 328940, 10082011, 20164022, 40328044, 50410055, 100820110, 201640220]

約数ペア:

[(1, 201640220), (2, 100820110), (4, 50410055), (5, 40328044), (10, 20164022), (20, 10082011), (613, 328940), (1226, 164470), (2452, 82235), (3065, 65788), (6130, 32894), (12260, 16447)]