20179197

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{593}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 30888000

約数和(自身を除く): 10708803

約数列:

[1, 3, 9, 19, 57, 171, 199, 593, 597, 1779, 1791, 3781, 5337, 11267, 11343, 33801, 34029, 101403, 118007, 354021, 1062063, 2242133, 6726399, 20179197]

約数ペア:

[(1, 20179197), (3, 6726399), (9, 2242133), (19, 1062063), (57, 354021), (171, 118007), (199, 101403), (593, 34029), (597, 33801), (1779, 11343), (1791, 11267), (3781, 5337)]