20798095

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{811}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 26191872

約数和(自身を除く): 5393777

約数列:

[1, 5, 23, 115, 223, 811, 1115, 4055, 5129, 18653, 25645, 93265, 180853, 904265, 4159619, 20798095]

約数ペア:

[(1, 20798095), (5, 4159619), (23, 904265), (115, 180853), (223, 93265), (811, 25645), (1115, 18653), (4055, 5129)]