16844420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5167}}^1$

素因数の和:5339

約数の個数: 24

約数和(自身を含む): 35597184

約数和(自身を除く): 18752764

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 5167, 10334, 20668, 25835, 51670, 103340, 842221, 1684442, 3368884, 4211105, 8422210, 16844420]

約数ペア:

[(1, 16844420), (2, 8422210), (4, 4211105), (5, 3368884), (10, 1684442), (20, 842221), (163, 103340), (326, 51670), (652, 25835), (815, 20668), (1630, 10334), (3260, 5167)]