20279095

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 24840000

約数和(自身を除く): 4560905

約数列:

[1, 5, 89, 199, 229, 445, 995, 1145, 17711, 20381, 45571, 88555, 101905, 227855, 4055819, 20279095]

約数ペア:

[(1, 20279095), (5, 4055819), (89, 227855), (199, 101905), (229, 88555), (445, 45571), (995, 20381), (1145, 17711)]