20686648740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3554407}}^1$

素因数の和:3554516

約数の個数: 48

約数和(自身を含む): 58519773312

約数和(自身を除く): 37833124572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5820, 3554407, 7108814, 10663221, 14217628, 17772035, 21326442, 35544070, 42652884, 53316105, 71088140, 106632210, 213264420, 344777479, 689554958, 1034332437, 1379109916, 1723887395, 2068664874, 3447774790, 4137329748, 5171662185, 6895549580, 10343324370, 20686648740]

約数ペア:

[(1, 20686648740), (2, 10343324370), (3, 6895549580), (4, 5171662185), (5, 4137329748), (6, 3447774790), (10, 2068664874), (12, 1723887395), (15, 1379109916), (20, 1034332437), (30, 689554958), (60, 344777479), (97, 213264420), (194, 106632210), (291, 71088140), (388, 53316105), (485, 42652884), (582, 35544070), (970, 21326442), (1164, 17772035), (1455, 14217628), (1940, 10663221), (2910, 7108814), (5820, 3554407)]