20306013

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74381}}^1$

素因数の和:74404

約数の個数: 16

約数和(自身を含む): 33323136

約数和(自身を除く): 13017123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 74381, 223143, 520667, 966953, 1562001, 2900859, 6768671, 20306013]

約数ペア:

[(1, 20306013), (3, 6768671), (7, 2900859), (13, 1562001), (21, 966953), (39, 520667), (91, 223143), (273, 74381)]