20813577

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1657}}^1$

素因数の和:1792

約数の個数: 16

約数和(自身を含む): 28650240

約数和(自身を除く): 7836663

約数列:

[1, 3, 53, 79, 159, 237, 1657, 4187, 4971, 12561, 87821, 130903, 263463, 392709, 6937859, 20813577]

約数ペア:

[(1, 20813577), (3, 6937859), (53, 392709), (79, 263463), (159, 130903), (237, 87821), (1657, 12561), (4187, 4971)]