20165607

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4157}}^1$

素因数の和:4188

約数の個数: 36

約数和(自身を含む): 36972936

約数和(自身を除く): 16807329

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4157, 4851, 12471, 29099, 37413, 45727, 87297, 137181, 203693, 261891, 320089, 411543, 611079, 960267, 1833237, 2240623, 2880801, 6721869, 20165607]

約数ペア:

[(1, 20165607), (3, 6721869), (7, 2880801), (9, 2240623), (11, 1833237), (21, 960267), (33, 611079), (49, 411543), (63, 320089), (77, 261891), (99, 203693), (147, 137181), (231, 87297), (441, 45727), (539, 37413), (693, 29099), (1617, 12471), (4157, 4851)]