20571545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4363}}^1$

素因数の和:4432

約数の個数: 16

約数和(自身を含む): 26393472

約数和(自身を除く): 5821927

約数列:

[1, 5, 23, 41, 115, 205, 943, 4363, 4715, 21815, 100349, 178883, 501745, 894415, 4114309, 20571545]

約数ペア:

[(1, 20571545), (5, 4114309), (23, 894415), (41, 501745), (115, 178883), (205, 100349), (943, 21815), (4363, 4715)]