20366255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2633}}^1$

素因数の和:2675

約数の個数: 32

約数和(自身を含む): 31860864

約数和(自身を除く): 11494609

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 2633, 7735, 13165, 18431, 34229, 44761, 92155, 171145, 223805, 239603, 313327, 581893, 1198015, 1566635, 2909465, 4073251, 20366255]

約数ペア:

[(1, 20366255), (5, 4073251), (7, 2909465), (13, 1566635), (17, 1198015), (35, 581893), (65, 313327), (85, 239603), (91, 223805), (119, 171145), (221, 92155), (455, 44761), (595, 34229), (1105, 18431), (1547, 13165), (2633, 7735)]