20665065

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2397

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 15277335

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2339, 2945, 7017, 8835, 11695, 35085, 44441, 72509, 133323, 217527, 222205, 362545, 666615, 1087635, 1377671, 4133013, 6888355, 20665065]

約数ペア:

[(1, 20665065), (3, 6888355), (5, 4133013), (15, 1377671), (19, 1087635), (31, 666615), (57, 362545), (93, 222205), (95, 217527), (155, 133323), (285, 72509), (465, 44441), (589, 35085), (1767, 11695), (2339, 8835), (2945, 7017)]