20843439

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2837}}^1$

素因数の和:2950

約数の個数: 16

約数和(自身を含む): 29061120

約数和(自身を除く): 8217681

約数列:

[1, 3, 31, 79, 93, 237, 2449, 2837, 7347, 8511, 87947, 224123, 263841, 672369, 6947813, 20843439]

約数ペア:

[(1, 20843439), (3, 6947813), (31, 672369), (79, 263841), (93, 224123), (237, 87947), (2449, 8511), (2837, 7347)]