20192553584

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{915181}}^1$

素因数の和:915393

約数の個数: 40

約数和(自身を含む): 44939096928

約数和(自身を除く): 24746543344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1379, 1576, 2758, 3152, 5516, 11032, 22064, 915181, 1830362, 3660724, 6406267, 7321448, 12812534, 14642896, 25625068, 51250136, 102500272, 180290657, 360581314, 721162628, 1262034599, 1442325256, 2524069198, 2884650512, 5048138396, 10096276792, 20192553584]

約数ペア:

[(1, 20192553584), (2, 10096276792), (4, 5048138396), (7, 2884650512), (8, 2524069198), (14, 1442325256), (16, 1262034599), (28, 721162628), (56, 360581314), (112, 180290657), (197, 102500272), (394, 51250136), (788, 25625068), (1379, 14642896), (1576, 12812534), (2758, 7321448), (3152, 6406267), (5516, 3660724), (11032, 1830362), (22064, 915181)]