20958060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15187}}^1$

素因数の和:15222

約数の個数: 48

約数和(自身を含む): 61238016

約数和(自身を除く): 40279956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15187, 30374, 45561, 60748, 75935, 91122, 151870, 182244, 227805, 303740, 349301, 455610, 698602, 911220, 1047903, 1397204, 1746505, 2095806, 3493010, 4191612, 5239515, 6986020, 10479030, 20958060]

約数ペア:

[(1, 20958060), (2, 10479030), (3, 6986020), (4, 5239515), (5, 4191612), (6, 3493010), (10, 2095806), (12, 1746505), (15, 1397204), (20, 1047903), (23, 911220), (30, 698602), (46, 455610), (60, 349301), (69, 303740), (92, 227805), (115, 182244), (138, 151870), (230, 91122), (276, 75935), (345, 60748), (460, 45561), (690, 30374), (1380, 15187)]