20475065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 28425600

約数和(自身を除く): 7950535

約数列:

[1, 5, 13, 19, 59, 65, 95, 247, 281, 295, 767, 1121, 1235, 1405, 3653, 3835, 5339, 5605, 14573, 16579, 18265, 26695, 69407, 72865, 82895, 215527, 315001, 347035, 1077635, 1575005, 4095013, 20475065]

約数ペア:

[(1, 20475065), (5, 4095013), (13, 1575005), (19, 1077635), (59, 347035), (65, 315001), (95, 215527), (247, 82895), (281, 72865), (295, 69407), (767, 26695), (1121, 18265), (1235, 16579), (1405, 14573), (3653, 5605), (3835, 5339)]