20584214

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 17336746

約数列:

[1, 2, 7, 14, 41, 47, 49, 82, 94, 98, 109, 218, 287, 329, 574, 658, 763, 1526, 1927, 2009, 2303, 3854, 4018, 4469, 4606, 5123, 5341, 8938, 10246, 10682, 13489, 26978, 31283, 35861, 62566, 71722, 94423, 188846, 210043, 218981, 251027, 420086, 437962, 502054, 1470301, 2940602, 10292107, 20584214]

約数ペア:

[(1, 20584214), (2, 10292107), (7, 2940602), (14, 1470301), (41, 502054), (47, 437962), (49, 420086), (82, 251027), (94, 218981), (98, 210043), (109, 188846), (218, 94423), (287, 71722), (329, 62566), (574, 35861), (658, 31283), (763, 26978), (1526, 13489), (1927, 10682), (2009, 10246), (2303, 8938), (3854, 5341), (4018, 5123), (4469, 4606)]