22260620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 48236160

約数和(自身を除く): 25975540

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 193, 292, 316, 365, 386, 395, 730, 772, 790, 965, 1460, 1580, 1930, 3860, 5767, 11534, 14089, 15247, 23068, 28178, 28835, 30494, 56356, 57670, 60988, 70445, 76235, 115340, 140890, 152470, 281780, 304940, 1113031, 2226062, 4452124, 5565155, 11130310, 22260620]

約数ペア:

[(1, 22260620), (2, 11130310), (4, 5565155), (5, 4452124), (10, 2226062), (20, 1113031), (73, 304940), (79, 281780), (146, 152470), (158, 140890), (193, 115340), (292, 76235), (316, 70445), (365, 60988), (386, 57670), (395, 56356), (730, 30494), (772, 28835), (790, 28178), (965, 23068), (1460, 15247), (1580, 14089), (1930, 11534), (3860, 5767)]