20543277

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{2749}}^1$

素因数の和:2852

約数の個数: 16

約数和(自身を含む): 28512000

約数和(自身を除く): 7968723

約数列:

[1, 3, 47, 53, 141, 159, 2491, 2749, 7473, 8247, 129203, 145697, 387609, 437091, 6847759, 20543277]

約数ペア:

[(1, 20543277), (3, 6847759), (47, 437091), (53, 387609), (141, 145697), (159, 129203), (2491, 8247), (2749, 7473)]