20174789894

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{288731}}^1$

素因数の和:288801

約数の個数: 48

約数和(自身を含む): 37918596096

約数和(自身を除く): 17743806202

約数列:

[1, 2, 7, 14, 23, 31, 46, 49, 62, 98, 161, 217, 322, 434, 713, 1127, 1426, 1519, 2254, 3038, 4991, 9982, 34937, 69874, 288731, 577462, 2021117, 4042234, 6640813, 8950661, 13281626, 14147819, 17901322, 28295638, 46485691, 62654627, 92971382, 125309254, 205865203, 325399837, 411730406, 438582389, 650799674, 877164778, 1441056421, 2882112842, 10087394947, 20174789894]

約数ペア:

[(1, 20174789894), (2, 10087394947), (7, 2882112842), (14, 1441056421), (23, 877164778), (31, 650799674), (46, 438582389), (49, 411730406), (62, 325399837), (98, 205865203), (161, 125309254), (217, 92971382), (322, 62654627), (434, 46485691), (713, 28295638), (1127, 17901322), (1426, 14147819), (1519, 13281626), (2254, 8950661), (3038, 6640813), (4991, 4042234), (9982, 2021117), (34937, 577462), (69874, 288731)]