20512374008

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1\times {\mathrm{26813}}^1$

素因数の和:27564

約数の個数: 64

約数和(自身を含む): 46334592000

約数和(自身を除く): 25822217992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 719, 1064, 1438, 2876, 5033, 5752, 10066, 13661, 20132, 26813, 27322, 40264, 53626, 54644, 95627, 107252, 109288, 187691, 191254, 214504, 375382, 382508, 509447, 750764, 765016, 1018894, 1501528, 2037788, 3566129, 4075576, 7132258, 14264516, 19278547, 28529032, 38557094, 77114188, 134949829, 154228376, 269899658, 366292393, 539799316, 732584786, 1079598632, 1465169572, 2564046751, 2930339144, 5128093502, 10256187004, 20512374008]

約数ペア:

[(1, 20512374008), (2, 10256187004), (4, 5128093502), (7, 2930339144), (8, 2564046751), (14, 1465169572), (19, 1079598632), (28, 732584786), (38, 539799316), (56, 366292393), (76, 269899658), (133, 154228376), (152, 134949829), (266, 77114188), (532, 38557094), (719, 28529032), (1064, 19278547), (1438, 14264516), (2876, 7132258), (5033, 4075576), (5752, 3566129), (10066, 2037788), (13661, 1501528), (20132, 1018894), (26813, 765016), (27322, 750764), (40264, 509447), (53626, 382508), (54644, 375382), (95627, 214504), (107252, 191254), (109288, 187691)]