22009720

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2851}}^1$

素因数の和:3055

約数の個数: 32

約数和(自身を含む): 49795920

約数和(自身を除く): 27786200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 2851, 3860, 5702, 7720, 11404, 14255, 22808, 28510, 57020, 114040, 550243, 1100486, 2200972, 2751215, 4401944, 5502430, 11004860, 22009720]

約数ペア:

[(1, 22009720), (2, 11004860), (4, 5502430), (5, 4401944), (8, 2751215), (10, 2200972), (20, 1100486), (40, 550243), (193, 114040), (386, 57020), (772, 28510), (965, 22808), (1544, 14255), (1930, 11404), (2851, 7720), (3860, 5702)]