20178254866

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{15359}}^1$

素因数の和:15847

約数の個数: 64

約数和(自身を含む): 39813120000

約数和(自身を除く): 19634865134

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 449, 898, 1463, 2926, 3143, 4939, 6286, 8531, 9878, 15359, 17062, 30718, 34573, 59717, 69146, 93841, 107513, 119434, 168949, 187682, 215026, 291821, 337898, 583642, 656887, 1182643, 1313774, 2042747, 2365286, 3210031, 4085494, 6420062, 6896191, 13792382, 22470217, 44940434, 48273337, 75858101, 96546674, 131027629, 151716202, 262055258, 531006707, 917193403, 1062013414, 1441303919, 1834386806, 2882607838, 10089127433, 20178254866]

約数ペア:

[(1, 20178254866), (2, 10089127433), (7, 2882607838), (11, 1834386806), (14, 1441303919), (19, 1062013414), (22, 917193403), (38, 531006707), (77, 262055258), (133, 151716202), (154, 131027629), (209, 96546674), (266, 75858101), (418, 48273337), (449, 44940434), (898, 22470217), (1463, 13792382), (2926, 6896191), (3143, 6420062), (4939, 4085494), (6286, 3210031), (8531, 2365286), (9878, 2042747), (15359, 1313774), (17062, 1182643), (30718, 656887), (34573, 583642), (59717, 337898), (69146, 291821), (93841, 215026), (107513, 187682), (119434, 168949)]