20796184

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 22749416

約数列:

[1, 2, 4, 8, 19, 38, 41, 47, 71, 76, 82, 94, 142, 152, 164, 188, 284, 328, 376, 568, 779, 893, 1349, 1558, 1786, 1927, 2698, 2911, 3116, 3337, 3572, 3854, 5396, 5822, 6232, 6674, 7144, 7708, 10792, 11644, 13348, 15416, 23288, 26696, 36613, 55309, 63403, 73226, 110618, 126806, 136817, 146452, 221236, 253612, 273634, 292904, 442472, 507224, 547268, 1094536, 2599523, 5199046, 10398092, 20796184]

約数ペア:

[(1, 20796184), (2, 10398092), (4, 5199046), (8, 2599523), (19, 1094536), (38, 547268), (41, 507224), (47, 442472), (71, 292904), (76, 273634), (82, 253612), (94, 221236), (142, 146452), (152, 136817), (164, 126806), (188, 110618), (284, 73226), (328, 63403), (376, 55309), (568, 36613), (779, 26696), (893, 23288), (1349, 15416), (1558, 13348), (1786, 11644), (1927, 10792), (2698, 7708), (2911, 7144), (3116, 6674), (3337, 6232), (3572, 5822), (3854, 5396)]