20171728216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1259}}^1\times {\mathrm{117809}}^1$

素因数の和:119091

約数の個数: 32

約数和(自身を含む): 40078962000

約数和(自身を除く): 19907233784

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1259, 2518, 5036, 10072, 21403, 42806, 85612, 117809, 171224, 235618, 471236, 942472, 2002753, 4005506, 8011012, 16022024, 148321531, 296643062, 593286124, 1186572248, 2521466027, 5042932054, 10085864108, 20171728216]

約数ペア:

[(1, 20171728216), (2, 10085864108), (4, 5042932054), (8, 2521466027), (17, 1186572248), (34, 593286124), (68, 296643062), (136, 148321531), (1259, 16022024), (2518, 8011012), (5036, 4005506), (10072, 2002753), (21403, 942472), (42806, 471236), (85612, 235618), (117809, 171224)]