20746143

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{571}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 32837376

約数和(自身を除く): 12091233

約数列:

[1, 3, 9, 11, 33, 99, 367, 571, 1101, 1713, 3303, 4037, 5139, 6281, 12111, 18843, 36333, 56529, 209557, 628671, 1886013, 2305127, 6915381, 20746143]

約数ペア:

[(1, 20746143), (3, 6915381), (9, 2305127), (11, 1886013), (33, 628671), (99, 209557), (367, 56529), (571, 36333), (1101, 18843), (1713, 12111), (3303, 6281), (4037, 5139)]