20101420180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{323903}}^1$

素因数の和:324048

約数の個数: 48

約数和(自身を含む): 44076856320

約数和(自身を除く): 23975436140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 107, 116, 145, 214, 290, 428, 535, 580, 1070, 2140, 3103, 6206, 12412, 15515, 31030, 62060, 323903, 647806, 1295612, 1619515, 3239030, 6478060, 9393187, 18786374, 34657621, 37572748, 46965935, 69315242, 93931870, 138630484, 173288105, 187863740, 346576210, 693152420, 1005071009, 2010142018, 4020284036, 5025355045, 10050710090, 20101420180]

約数ペア:

[(1, 20101420180), (2, 10050710090), (4, 5025355045), (5, 4020284036), (10, 2010142018), (20, 1005071009), (29, 693152420), (58, 346576210), (107, 187863740), (116, 173288105), (145, 138630484), (214, 93931870), (290, 69315242), (428, 46965935), (535, 37572748), (580, 34657621), (1070, 18786374), (2140, 9393187), (3103, 6478060), (6206, 3239030), (12412, 1619515), (15515, 1295612), (31030, 647806), (62060, 323903)]