920218820

素因数分解:

$2^2\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{18803}}^1$

素因数の和:21259

約数の個数: 24

約数和(自身を含む): 1933352064

約数和(自身を除く): 1013133244

約数列:

[1, 2, 4, 5, 10, 20, 2447, 4894, 9788, 12235, 18803, 24470, 37606, 48940, 75212, 94015, 188030, 376060, 46010941, 92021882, 184043764, 230054705, 460109410, 920218820]

約数ペア:

[(1, 920218820), (2, 460109410), (4, 230054705), (5, 184043764), (10, 92021882), (20, 46010941), (2447, 376060), (4894, 188030), (9788, 94015), (12235, 75212), (18803, 48940), (24470, 37606)]