20084655

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31139}}^1$

素因数の和:31190

約数の個数: 16

約数和(自身を含む): 32883840

約数和(自身を除く): 12799185

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 31139, 93417, 155695, 467085, 1338977, 4016931, 6694885, 20084655]

約数ペア:

[(1, 20084655), (3, 6694885), (5, 4016931), (15, 1338977), (43, 467085), (129, 155695), (215, 93417), (645, 31139)]