20237865

素因数分解:

$3^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1481}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 32438016

約数和(自身を除く): 12200151

約数列:

[1, 3, 5, 15, 911, 1481, 2733, 4443, 4555, 7405, 13665, 22215, 1349191, 4047573, 6745955, 20237865]

約数ペア:

[(1, 20237865), (3, 6745955), (5, 4047573), (15, 1349191), (911, 22215), (1481, 13665), (2733, 7405), (4443, 4555)]