20746020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11923}}^1$

素因数の和:11964

約数の個数: 48

約数和(自身を含む): 60096960

約数和(自身を除く): 39350940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11923, 23846, 35769, 47692, 59615, 71538, 119230, 143076, 178845, 238460, 345767, 357690, 691534, 715380, 1037301, 1383068, 1728835, 2074602, 3457670, 4149204, 5186505, 6915340, 10373010, 20746020]

約数ペア:

[(1, 20746020), (2, 10373010), (3, 6915340), (4, 5186505), (5, 4149204), (6, 3457670), (10, 2074602), (12, 1728835), (15, 1383068), (20, 1037301), (29, 715380), (30, 691534), (58, 357690), (60, 345767), (87, 238460), (116, 178845), (145, 143076), (174, 119230), (290, 71538), (348, 59615), (435, 47692), (580, 35769), (870, 23846), (1740, 11923)]