20039739

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{809}}^1$

素因数の和:1194

約数の個数: 16

約数和(自身を含む): 27993600

約数和(自身を除く): 7953861

約数列:

[1, 3, 23, 69, 359, 809, 1077, 2427, 8257, 18607, 24771, 55821, 290431, 871293, 6679913, 20039739]

約数ペア:

[(1, 20039739), (3, 6679913), (23, 871293), (69, 290431), (359, 55821), (809, 24771), (1077, 18607), (2427, 8257)]