20782460

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22109}}^1$

素因数の和:22165

約数の個数: 24

約数和(自身を含む): 44573760

約数和(自身を除く): 23791300

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22109, 44218, 88436, 110545, 221090, 442180, 1039123, 2078246, 4156492, 5195615, 10391230, 20782460]

約数ペア:

[(1, 20782460), (2, 10391230), (4, 5195615), (5, 4156492), (10, 2078246), (20, 1039123), (47, 442180), (94, 221090), (188, 110545), (235, 88436), (470, 44218), (940, 22109)]