20124572585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1\times {\mathrm{3613}}^1$

素因数の和:4977

約数の個数: 32

約数和(自身を含む): 26423255040

約数和(自身を除く): 6298682455

約数列:

[1, 5, 13, 65, 67, 335, 871, 1279, 3613, 4355, 6395, 16627, 18065, 46969, 83135, 85693, 234845, 242071, 428465, 1114009, 1210355, 3146923, 4621027, 5570045, 15734615, 23105135, 60073351, 300366755, 309608809, 1548044045, 4024914517, 20124572585]

約数ペア:

[(1, 20124572585), (5, 4024914517), (13, 1548044045), (65, 309608809), (67, 300366755), (335, 60073351), (871, 23105135), (1279, 15734615), (3613, 5570045), (4355, 4621027), (6395, 3146923), (16627, 1210355), (18065, 1114009), (46969, 428465), (83135, 242071), (85693, 234845)]