2113228220

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{106621}}^1$

素因数の和:107621

約数の個数: 24

約数和(自身を含む): 4442299008

約数和(自身を除く): 2329070788

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 106621, 213242, 426484, 533105, 1066210, 2132420, 105661411, 211322822, 422645644, 528307055, 1056614110, 2113228220]

約数ペア:

[(1, 2113228220), (2, 1056614110), (4, 528307055), (5, 422645644), (10, 211322822), (20, 105661411), (991, 2132420), (1982, 1066210), (3964, 533105), (4955, 426484), (9910, 213242), (19820, 106621)]