20616525472

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{719}}^1\times {\mathrm{47161}}^1$

素因数の和:47909

約数の個数: 48

約数和(自身を含む): 42785366400

約数和(自身を除く): 22168840928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 719, 1438, 2876, 5752, 11504, 13661, 23008, 27322, 47161, 54644, 94322, 109288, 188644, 218576, 377288, 437152, 754576, 896059, 1509152, 1792118, 3584236, 7168472, 14336944, 28673888, 33908759, 67817518, 135635036, 271270072, 542540144, 644266421, 1085080288, 1288532842, 2577065684, 5154131368, 10308262736, 20616525472]

約数ペア:

[(1, 20616525472), (2, 10308262736), (4, 5154131368), (8, 2577065684), (16, 1288532842), (19, 1085080288), (32, 644266421), (38, 542540144), (76, 271270072), (152, 135635036), (304, 67817518), (608, 33908759), (719, 28673888), (1438, 14336944), (2876, 7168472), (5752, 3584236), (11504, 1792118), (13661, 1509152), (23008, 896059), (27322, 754576), (47161, 437152), (54644, 377288), (94322, 218576), (109288, 188644)]