20171669812

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1\times {\mathrm{19777}}^1$

素因数の和:20360

約数の個数: 48

約数和(自身を含む): 40980016000

約数和(自身を除く): 20808346188

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 499, 511, 998, 1022, 1996, 2044, 3493, 6986, 13972, 19777, 36427, 39554, 72854, 79108, 138439, 145708, 254989, 276878, 509978, 553756, 1019956, 1443721, 2887442, 5774884, 9868723, 10106047, 19737446, 20212094, 39474892, 40424188, 69081061, 138162122, 276324244, 720416779, 1440833558, 2881667116, 5042917453, 10085834906, 20171669812]

約数ペア:

[(1, 20171669812), (2, 10085834906), (4, 5042917453), (7, 2881667116), (14, 1440833558), (28, 720416779), (73, 276324244), (146, 138162122), (292, 69081061), (499, 40424188), (511, 39474892), (998, 20212094), (1022, 19737446), (1996, 10106047), (2044, 9868723), (3493, 5774884), (6986, 2887442), (13972, 1443721), (19777, 1019956), (36427, 553756), (39554, 509978), (72854, 276878), (79108, 254989), (138439, 145708)]