20402640254

素因数分解:

$2^1\times {\mathrm{409}}^1\times {\mathrm{2333}}^1\times {\mathrm{10691}}^1$

素因数の和:13435

約数の個数: 16

約数和(自身を含む): 30694807440

約数和(自身を除く): 10292167186

約数列:

[1, 2, 409, 818, 2333, 4666, 10691, 21382, 954197, 1908394, 4372619, 8745238, 24942103, 49884206, 10201320127, 20402640254]

約数ペア:

[(1, 20402640254), (2, 10201320127), (409, 49884206), (818, 24942103), (2333, 8745238), (4666, 4372619), (10691, 1908394), (21382, 954197)]