20073561256

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{401407}}^1$

素因数の和:401486

約数の個数: 64

約数和(自身を含む): 46242201600

約数和(自身を除く): 26168640344

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 47, 56, 76, 94, 133, 152, 188, 266, 329, 376, 532, 658, 893, 1064, 1316, 1786, 2632, 3572, 6251, 7144, 12502, 25004, 50008, 401407, 802814, 1605628, 2809849, 3211256, 5619698, 7626733, 11239396, 15253466, 18866129, 22478792, 30506932, 37732258, 53387131, 61013864, 75464516, 106774262, 132062903, 150929032, 213548524, 264125806, 358456451, 427097048, 528251612, 716912902, 1056503224, 1433825804, 2509195157, 2867651608, 5018390314, 10036780628, 20073561256]

約数ペア:

[(1, 20073561256), (2, 10036780628), (4, 5018390314), (7, 2867651608), (8, 2509195157), (14, 1433825804), (19, 1056503224), (28, 716912902), (38, 528251612), (47, 427097048), (56, 358456451), (76, 264125806), (94, 213548524), (133, 150929032), (152, 132062903), (188, 106774262), (266, 75464516), (329, 61013864), (376, 53387131), (532, 37732258), (658, 30506932), (893, 22478792), (1064, 18866129), (1316, 15253466), (1786, 11239396), (2632, 7626733), (3572, 5619698), (6251, 3211256), (7144, 2809849), (12502, 1605628), (25004, 802814), (50008, 401407)]