20734063

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 25021440

約数和(自身を除く): 4287377

約数列:

[1, 7, 23, 89, 161, 623, 1447, 2047, 10129, 14329, 33281, 128783, 232967, 901481, 2962009, 20734063]

約数ペア:

[(1, 20734063), (7, 2962009), (23, 901481), (89, 232967), (161, 128783), (623, 33281), (1447, 14329), (2047, 10129)]