20856495

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3083}}^1$

素因数の和:3143

約数の個数: 32

約数和(自身を含む): 37304064

約数和(自身を除く): 16447569

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 3083, 6765, 9249, 15415, 33913, 46245, 101739, 126403, 169565, 379209, 508695, 632015, 1390433, 1896045, 4171299, 6952165, 20856495]

約数ペア:

[(1, 20856495), (3, 6952165), (5, 4171299), (11, 1896045), (15, 1390433), (33, 632015), (41, 508695), (55, 379209), (123, 169565), (165, 126403), (205, 101739), (451, 46245), (615, 33913), (1353, 15415), (2255, 9249), (3083, 6765)]