20172866620

素因数分解:

$2^2\times 5^1\times {\mathrm{28463}}^1\times {\mathrm{35437}}^1$

素因数の和:63909

約数の個数: 24

約数和(自身を含む): 42365703744

約数和(自身を除く): 22192837124

約数列:

[1, 2, 4, 5, 10, 20, 28463, 35437, 56926, 70874, 113852, 141748, 142315, 177185, 284630, 354370, 569260, 708740, 1008643331, 2017286662, 4034573324, 5043216655, 10086433310, 20172866620]

約数ペア:

[(1, 20172866620), (2, 10086433310), (4, 5043216655), (5, 4034573324), (10, 2017286662), (20, 1008643331), (28463, 708740), (35437, 569260), (56926, 354370), (70874, 284630), (113852, 177185), (141748, 142315)]