20557422

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10289}}^1$

素因数の和:10337

約数の個数: 32

約数和(自身を含む): 46922400

約数和(自身を除く): 26364978

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10289, 20578, 30867, 61734, 92601, 185202, 277803, 380693, 555606, 761386, 1142079, 2284158, 3426237, 6852474, 10278711, 20557422]

約数ペア:

[(1, 20557422), (2, 10278711), (3, 6852474), (6, 3426237), (9, 2284158), (18, 1142079), (27, 761386), (37, 555606), (54, 380693), (74, 277803), (111, 185202), (222, 92601), (333, 61734), (666, 30867), (999, 20578), (1998, 10289)]