20446287

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{5591}}^1$

素因数の和:5670

約数の個数: 16

約数和(自身を含む): 28988928

約数和(自身を除く): 8542641

約数列:

[1, 3, 23, 53, 69, 159, 1219, 3657, 5591, 16773, 128593, 296323, 385779, 888969, 6815429, 20446287]

約数ペア:

[(1, 20446287), (3, 6815429), (23, 888969), (53, 385779), (69, 296323), (159, 128593), (1219, 16773), (3657, 5591)]