20365360

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1319}}^1$

素因数の和:1525

約数の個数: 40

約数和(自身を含む): 47630880

約数和(自身を除く): 27265520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1319, 1544, 1930, 2638, 3088, 3860, 5276, 6595, 7720, 10552, 13190, 15440, 21104, 26380, 52760, 105520, 254567, 509134, 1018268, 1272835, 2036536, 2545670, 4073072, 5091340, 10182680, 20365360]

約数ペア:

[(1, 20365360), (2, 10182680), (4, 5091340), (5, 4073072), (8, 2545670), (10, 2036536), (16, 1272835), (20, 1018268), (40, 509134), (80, 254567), (193, 105520), (386, 52760), (772, 26380), (965, 21104), (1319, 15440), (1544, 13190), (1930, 10552), (2638, 7720), (3088, 6595), (3860, 5276)]