20538060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7283}}^1$

素因数の和:7342

約数の個数: 48

約数和(自身を含む): 58738176

約数和(自身を除く): 38200116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7283, 14566, 21849, 29132, 36415, 43698, 72830, 87396, 109245, 145660, 218490, 342301, 436980, 684602, 1026903, 1369204, 1711505, 2053806, 3423010, 4107612, 5134515, 6846020, 10269030, 20538060]

約数ペア:

[(1, 20538060), (2, 10269030), (3, 6846020), (4, 5134515), (5, 4107612), (6, 3423010), (10, 2053806), (12, 1711505), (15, 1369204), (20, 1026903), (30, 684602), (47, 436980), (60, 342301), (94, 218490), (141, 145660), (188, 109245), (235, 87396), (282, 72830), (470, 43698), (564, 36415), (705, 29132), (940, 21849), (1410, 14566), (2820, 7283)]