20810340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115613}}^1$

素因数の和:115628

約数の個数: 36

約数和(自身を含む): 63125244

約数和(自身を除く): 42314904

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115613, 231226, 346839, 462452, 578065, 693678, 1040517, 1156130, 1387356, 1734195, 2081034, 2312260, 3468390, 4162068, 5202585, 6936780, 10405170, 20810340]

約数ペア:

[(1, 20810340), (2, 10405170), (3, 6936780), (4, 5202585), (5, 4162068), (6, 3468390), (9, 2312260), (10, 2081034), (12, 1734195), (15, 1387356), (18, 1156130), (20, 1040517), (30, 693678), (36, 578065), (45, 462452), (60, 346839), (90, 231226), (180, 115613)]