20712180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3167}}^1$

素因数の和:3288

約数の個数: 48

約数和(自身を含む): 58544640

約数和(自身を除く): 37832460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3167, 3270, 6334, 6540, 9501, 12668, 15835, 19002, 31670, 38004, 47505, 63340, 95010, 190020, 345203, 690406, 1035609, 1380812, 1726015, 2071218, 3452030, 4142436, 5178045, 6904060, 10356090, 20712180]

約数ペア:

[(1, 20712180), (2, 10356090), (3, 6904060), (4, 5178045), (5, 4142436), (6, 3452030), (10, 2071218), (12, 1726015), (15, 1380812), (20, 1035609), (30, 690406), (60, 345203), (109, 190020), (218, 95010), (327, 63340), (436, 47505), (545, 38004), (654, 31670), (1090, 19002), (1308, 15835), (1635, 12668), (2180, 9501), (3167, 6540), (3270, 6334)]