20081185

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4259}}^1$

素因数の和:4328

約数の個数: 16

約数和(自身を含む): 25764480

約数和(自身を除く): 5683295

約数列:

[1, 5, 23, 41, 115, 205, 943, 4259, 4715, 21295, 97957, 174619, 489785, 873095, 4016237, 20081185]

約数ペア:

[(1, 20081185), (5, 4016237), (23, 873095), (41, 489785), (115, 174619), (205, 97957), (943, 21295), (4259, 4715)]