20803438670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{299891}}^1$

素因数の和:300896

約数の個数: 32

約数和(自身を含む): 42838972416

約数和(自身を除く): 22035533746

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 991, 1982, 4955, 6937, 9910, 13874, 34685, 69370, 299891, 599782, 1499455, 2099237, 2998910, 4198474, 10496185, 20992370, 297191981, 594383962, 1485959905, 2080343867, 2971919810, 4160687734, 10401719335, 20803438670]

約数ペア:

[(1, 20803438670), (2, 10401719335), (5, 4160687734), (7, 2971919810), (10, 2080343867), (14, 1485959905), (35, 594383962), (70, 297191981), (991, 20992370), (1982, 10496185), (4955, 4198474), (6937, 2998910), (9910, 2099237), (13874, 1499455), (34685, 599782), (69370, 299891)]