20402406358

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7270993}}^1$

素因数の和:7271079

約数の個数: 16

約数和(自身を含む): 32457717216

約数和(自身を除く): 12055310858

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 7270993, 14541986, 167232839, 334465678, 443530573, 887061146, 10201203179, 20402406358]

約数ペア:

[(1, 20402406358), (2, 10201203179), (23, 887061146), (46, 443530573), (61, 334465678), (122, 167232839), (1403, 14541986), (2806, 7270993)]