20285872

素因数分解:

$2^4\times {\mathrm{1123}}^1\times {\mathrm{1129}}^1$

素因数の和:2260

約数の個数: 20

約数和(自身を含む): 39373720

約数和(自身を除く): 19087848

約数列:

[1, 2, 4, 8, 16, 1123, 1129, 2246, 2258, 4492, 4516, 8984, 9032, 17968, 18064, 1267867, 2535734, 5071468, 10142936, 20285872]

約数ペア:

[(1, 20285872), (2, 10142936), (4, 5071468), (8, 2535734), (16, 1267867), (1123, 18064), (1129, 17968), (2246, 9032), (2258, 8984), (4492, 4516)]