20612750

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{2011}}^1$

素因数の和:2069

約数の個数: 32

約数和(自身を含む): 39547872

約数和(自身を除く): 18935122

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 2011, 2050, 4022, 5125, 10055, 10250, 20110, 50275, 82451, 100550, 164902, 251375, 412255, 502750, 824510, 2061275, 4122550, 10306375, 20612750]

約数ペア:

[(1, 20612750), (2, 10306375), (5, 4122550), (10, 2061275), (25, 824510), (41, 502750), (50, 412255), (82, 251375), (125, 164902), (205, 100550), (250, 82451), (410, 50275), (1025, 20110), (2011, 10250), (2050, 10055), (4022, 5125)]