20305021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4772

約数の個数: 16

約数和(自身を含む): 24478848

約数和(自身を除く): 4173827

約数列:

[1, 11, 17, 23, 187, 253, 391, 4301, 4721, 51931, 80257, 108583, 882827, 1194413, 1845911, 20305021]

約数ペア:

[(1, 20305021), (11, 1845911), (17, 1194413), (23, 882827), (187, 108583), (253, 80257), (391, 51931), (4301, 4721)]