20805216334

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1\times {\mathrm{48611}}^1$

素因数の和:50248

約数の個数: 32

約数和(自身を含む): 37567353600

約数和(自身を除く): 16762137266

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1609, 3218, 11263, 22526, 30571, 48611, 61142, 97222, 213997, 340277, 427994, 680554, 923609, 1847218, 6465263, 12930526, 78215099, 156430198, 547505693, 1095011386, 1486086881, 2972173762, 10402608167, 20805216334]

約数ペア:

[(1, 20805216334), (2, 10402608167), (7, 2972173762), (14, 1486086881), (19, 1095011386), (38, 547505693), (133, 156430198), (266, 78215099), (1609, 12930526), (3218, 6465263), (11263, 1847218), (22526, 923609), (30571, 680554), (48611, 427994), (61142, 340277), (97222, 213997)]