20123691788

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{2371}}^1\times {\mathrm{68447}}^1$

素因数の和:70853

約数の個数: 24

約数和(自身を含む): 36368338944

約数和(自身を除く): 16244647156

約数列:

[1, 2, 4, 31, 62, 124, 2371, 4742, 9484, 68447, 73501, 136894, 147002, 273788, 294004, 2121857, 4243714, 8487428, 162287837, 324575674, 649151348, 5030922947, 10061845894, 20123691788]

約数ペア:

[(1, 20123691788), (2, 10061845894), (4, 5030922947), (31, 649151348), (62, 324575674), (124, 162287837), (2371, 8487428), (4742, 4243714), (9484, 2121857), (68447, 294004), (73501, 273788), (136894, 147002)]