20179509

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5309}}^1$

素因数の和:5500

約数の個数: 16

約数和(自身を含む): 30925440

約数和(自身を除く): 10745931

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 5309, 15927, 37163, 111489, 960929, 2882787, 6726503, 20179509]

約数ペア:

[(1, 20179509), (3, 6726503), (7, 2882787), (21, 960929), (181, 111489), (543, 37163), (1267, 15927), (3801, 5309)]