20678392

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 49863600

約数和(自身を除く): 29185208

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 29, 34, 49, 56, 58, 68, 98, 107, 116, 119, 136, 196, 203, 214, 232, 238, 392, 406, 428, 476, 493, 749, 812, 833, 856, 952, 986, 1421, 1498, 1624, 1666, 1819, 1972, 2842, 2996, 3103, 3332, 3451, 3638, 3944, 5243, 5684, 5992, 6206, 6664, 6902, 7276, 10486, 11368, 12412, 12733, 13804, 14552, 20972, 21721, 24157, 24824, 25466, 27608, 41944, 43442, 48314, 50932, 52751, 86884, 89131, 96628, 101864, 105502, 152047, 173768, 178262, 193256, 211004, 304094, 356524, 369257, 422008, 608188, 713048, 738514, 1216376, 1477028, 2584799, 2954056, 5169598, 10339196, 20678392]

約数ペア:

[(1, 20678392), (2, 10339196), (4, 5169598), (7, 2954056), (8, 2584799), (14, 1477028), (17, 1216376), (28, 738514), (29, 713048), (34, 608188), (49, 422008), (56, 369257), (58, 356524), (68, 304094), (98, 211004), (107, 193256), (116, 178262), (119, 173768), (136, 152047), (196, 105502), (203, 101864), (214, 96628), (232, 89131), (238, 86884), (392, 52751), (406, 50932), (428, 48314), (476, 43442), (493, 41944), (749, 27608), (812, 25466), (833, 24824), (856, 24157), (952, 21721), (986, 20972), (1421, 14552), (1498, 13804), (1624, 12733), (1666, 12412), (1819, 11368), (1972, 10486), (2842, 7276), (2996, 6902), (3103, 6664), (3332, 6206), (3451, 5992), (3638, 5684), (3944, 5243)]