20305274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40129}}^1$

素因数の和:40165

約数の個数: 16

約数和(自身を含む): 34672320

約数和(自身を除く): 14367046

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40129, 80258, 441419, 882838, 922967, 1845934, 10152637, 20305274]

約数ペア:

[(1, 20305274), (2, 10152637), (11, 1845934), (22, 922967), (23, 882838), (46, 441419), (253, 80258), (506, 40129)]