20454670

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47569}}^1$

素因数の和:47619

約数の個数: 16

約数和(自身を含む): 37675440

約数和(自身を除く): 17220770

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 47569, 95138, 237845, 475690, 2045467, 4090934, 10227335, 20454670]

約数ペア:

[(1, 20454670), (2, 10227335), (5, 4090934), (10, 2045467), (43, 475690), (86, 237845), (215, 95138), (430, 47569)]