20786687235

素因数分解:

$3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1439023}}^1$

素因数の和:1439144

約数の個数: 32

約数和(自身を含む): 37299502080

約数和(自身を除く): 16512814845

約数列:

[1, 3, 5, 9, 15, 27, 45, 107, 135, 321, 535, 963, 1605, 2889, 4815, 14445, 1439023, 4317069, 7195115, 12951207, 21585345, 38853621, 64756035, 153975461, 194268105, 461926383, 769877305, 1385779149, 2309631915, 4157337447, 6928895745, 20786687235]

約数ペア:

[(1, 20786687235), (3, 6928895745), (5, 4157337447), (9, 2309631915), (15, 1385779149), (27, 769877305), (45, 461926383), (107, 194268105), (135, 153975461), (321, 64756035), (535, 38853621), (963, 21585345), (1605, 12951207), (2889, 7195115), (4815, 4317069), (14445, 1439023)]