20703535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 28071360

約数和(自身を除く): 7367825

約数列:

[1, 5, 17, 29, 37, 85, 145, 185, 227, 493, 629, 1073, 1135, 2465, 3145, 3859, 5365, 6583, 8399, 18241, 19295, 32915, 41995, 91205, 111911, 142783, 243571, 559555, 713915, 1217855, 4140707, 20703535]

約数ペア:

[(1, 20703535), (5, 4140707), (17, 1217855), (29, 713915), (37, 559555), (85, 243571), (145, 142783), (185, 111911), (227, 91205), (493, 41995), (629, 32915), (1073, 19295), (1135, 18241), (2465, 8399), (3145, 6583), (3859, 5365)]