20253255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{937}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 35659008

約数和(自身を除く): 15405753

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 937, 1441, 1965, 2811, 4323, 4685, 7205, 10307, 14055, 21615, 30921, 51535, 122747, 154605, 368241, 613735, 1350217, 1841205, 4050651, 6751085, 20253255]

約数ペア:

[(1, 20253255), (3, 6751085), (5, 4050651), (11, 1841205), (15, 1350217), (33, 613735), (55, 368241), (131, 154605), (165, 122747), (393, 51535), (655, 30921), (937, 21615), (1441, 14055), (1965, 10307), (2811, 7205), (4323, 4685)]