20005949756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{69109}}^1$

素因数の和:69438

約数の個数: 48

約数和(自身を含む): 39823946400

約数和(自身を除く): 19817996644

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 293, 494, 586, 988, 1172, 3809, 5567, 7618, 11134, 15236, 22268, 69109, 72371, 138218, 144742, 276436, 289484, 898417, 1313071, 1796834, 2626142, 3593668, 5252284, 17069923, 20248937, 34139846, 40497874, 68279692, 80995748, 263236181, 384729803, 526472362, 769459606, 1052944724, 1538919212, 5001487439, 10002974878, 20005949756]

約数ペア:

[(1, 20005949756), (2, 10002974878), (4, 5001487439), (13, 1538919212), (19, 1052944724), (26, 769459606), (38, 526472362), (52, 384729803), (76, 263236181), (247, 80995748), (293, 68279692), (494, 40497874), (586, 34139846), (988, 20248937), (1172, 17069923), (3809, 5252284), (5567, 3593668), (7618, 2626142), (11134, 1796834), (15236, 1313071), (22268, 898417), (69109, 289484), (72371, 276436), (138218, 144742)]