20047377

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25801}}^1$

素因数の和:25848

約数の個数: 16

約数和(自身を含む): 31375232

約数和(自身を除く): 11327855

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 25801, 77403, 180607, 541821, 954637, 2863911, 6682459, 20047377]

約数ペア:

[(1, 20047377), (3, 6682459), (7, 2863911), (21, 954637), (37, 541821), (111, 180607), (259, 77403), (777, 25801)]