20512235

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2243}}^1$

素因数の和:2338

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 5338645

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2243, 9145, 11215, 69533, 132337, 347665, 661685, 4102447, 20512235]

約数ペア:

[(1, 20512235), (5, 4102447), (31, 661685), (59, 347665), (155, 132337), (295, 69533), (1829, 11215), (2243, 9145)]