20209525

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5021}}^1$

素因数の和:5061

約数の個数: 24

約数和(自身を含む): 29890944

約数和(自身を除く): 9681419

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 5021, 25105, 35147, 115483, 125525, 175735, 577415, 808381, 878675, 2887075, 4041905, 20209525]

約数ペア:

[(1, 20209525), (5, 4041905), (7, 2887075), (23, 878675), (25, 808381), (35, 577415), (115, 175735), (161, 125525), (175, 115483), (575, 35147), (805, 25105), (4025, 5021)]