20120840178

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1\times {\mathrm{201907}}^1$

素因数の和:202906

約数の個数: 32

約数和(自身を含む): 42652661184

約数和(自身を除く): 22531821006

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 977, 1954, 2931, 5862, 16609, 33218, 49827, 99654, 201907, 403814, 605721, 1211442, 3432419, 6864838, 10297257, 20594514, 197263139, 394526278, 591789417, 1183578834, 3353473363, 6706946726, 10060420089, 20120840178]

約数ペア:

[(1, 20120840178), (2, 10060420089), (3, 6706946726), (6, 3353473363), (17, 1183578834), (34, 591789417), (51, 394526278), (102, 197263139), (977, 20594514), (1954, 10297257), (2931, 6864838), (5862, 3432419), (16609, 1211442), (33218, 605721), (49827, 403814), (99654, 201907)]