20543439

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42533}}^1$

素因数の和:42566

約数の個数: 16

約数和(自身を含む): 32666112

約数和(自身を除く): 12122673

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42533, 127599, 297731, 893193, 978259, 2934777, 6847813, 20543439]

約数ペア:

[(1, 20543439), (3, 6847813), (7, 2934777), (21, 978259), (23, 893193), (69, 297731), (161, 127599), (483, 42533)]