20123343260

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3555361}}^1$

素因数の和:3555653

約数の個数: 24

約数和(自身を含む): 42408357936

約数和(自身を除く): 22285014676

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 3555361, 7110722, 14221444, 17776805, 35553610, 71107220, 1006167163, 2012334326, 4024668652, 5030835815, 10061671630, 20123343260]

約数ペア:

[(1, 20123343260), (2, 10061671630), (4, 5030835815), (5, 4024668652), (10, 2012334326), (20, 1006167163), (283, 71107220), (566, 35553610), (1132, 17776805), (1415, 14221444), (2830, 7110722), (5660, 3555361)]