20407744160

素因数分解:

$2^5\times 5^1\times {\mathrm{15107}}^1\times {\mathrm{8443}}^1$

素因数の和:23565

約数の個数: 48

約数和(自身を含む): 48222197856

約数和(自身を除く): 27814453696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 8443, 15107, 16886, 30214, 33772, 42215, 60428, 67544, 75535, 84430, 120856, 135088, 151070, 168860, 241712, 270176, 302140, 337720, 483424, 604280, 675440, 1208560, 1350880, 2417120, 127548401, 255096802, 510193604, 637742005, 1020387208, 1275484010, 2040774416, 2550968020, 4081548832, 5101936040, 10203872080, 20407744160]

約数ペア:

[(1, 20407744160), (2, 10203872080), (4, 5101936040), (5, 4081548832), (8, 2550968020), (10, 2040774416), (16, 1275484010), (20, 1020387208), (32, 637742005), (40, 510193604), (80, 255096802), (160, 127548401), (8443, 2417120), (15107, 1350880), (16886, 1208560), (30214, 675440), (33772, 604280), (42215, 483424), (60428, 337720), (67544, 302140), (75535, 270176), (84430, 241712), (120856, 168860), (135088, 151070)]