20450025

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1050

約数の個数: 36

約数和(自身を含む): 37045372

約数和(自身を除く): 16595347

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 225, 291, 485, 873, 937, 1455, 2425, 2811, 4365, 4685, 7275, 8433, 14055, 21825, 23425, 42165, 70275, 90889, 210825, 272667, 454445, 818001, 1363335, 2272225, 4090005, 6816675, 20450025]

約数ペア:

[(1, 20450025), (3, 6816675), (5, 4090005), (9, 2272225), (15, 1363335), (25, 818001), (45, 454445), (75, 272667), (97, 210825), (225, 90889), (291, 70275), (485, 42165), (873, 23425), (937, 21825), (1455, 14055), (2425, 8433), (2811, 7275), (4365, 4685)]