20954495

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:994

約数の個数: 16

約数和(自身を含む): 26377920

約数和(自身を除く): 5423425

約数列:

[1, 5, 23, 115, 257, 709, 1285, 3545, 5911, 16307, 29555, 81535, 182213, 911065, 4190899, 20954495]

約数ペア:

[(1, 20954495), (5, 4190899), (23, 911065), (115, 182213), (257, 81535), (709, 29555), (1285, 16307), (3545, 5911)]