20123956

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 36348480

約数和(自身を除く): 16224524

約数列:

[1, 2, 4, 59, 71, 118, 142, 236, 284, 1201, 2402, 4189, 4804, 8378, 16756, 70859, 85271, 141718, 170542, 283436, 341084, 5030989, 10061978, 20123956]

約数ペア:

[(1, 20123956), (2, 10061978), (4, 5030989), (59, 341084), (71, 283436), (118, 170542), (142, 141718), (236, 85271), (284, 70859), (1201, 16756), (2402, 8378), (4189, 4804)]