20570943

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1931}}^1$

素因数の和:2054

約数の個数: 16

約数和(自身を含む): 28377216

約数和(自身を除く): 7806273

約数列:

[1, 3, 53, 67, 159, 201, 1931, 3551, 5793, 10653, 102343, 129377, 307029, 388131, 6856981, 20570943]

約数ペア:

[(1, 20570943), (3, 6856981), (53, 388131), (67, 307029), (159, 129377), (201, 102343), (1931, 10653), (3551, 5793)]