20090580909

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{757}}^1\times {\mathrm{4373}}^1$

素因数の和:5174

約数の個数: 48

約数和(自身を含む): 32571393408

約数和(自身を除く): 12480812499

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 757, 867, 2023, 2271, 4373, 5299, 6069, 12869, 13119, 15897, 30611, 38607, 74341, 90083, 91833, 218773, 223023, 270249, 520387, 656319, 1263797, 1531411, 1561161, 3310361, 3791391, 4594233, 8846579, 9931083, 23172527, 26539737, 56276137, 69517581, 168828411, 393932959, 956694329, 1181798877, 2870082987, 6696860303, 20090580909]

約数ペア:

[(1, 20090580909), (3, 6696860303), (7, 2870082987), (17, 1181798877), (21, 956694329), (51, 393932959), (119, 168828411), (289, 69517581), (357, 56276137), (757, 26539737), (867, 23172527), (2023, 9931083), (2271, 8846579), (4373, 4594233), (5299, 3791391), (6069, 3310361), (12869, 1561161), (13119, 1531411), (15897, 1263797), (30611, 656319), (38607, 520387), (74341, 270249), (90083, 223023), (91833, 218773)]