20294274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 56770560

約数和(自身を除く): 36476286

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 31, 33, 39, 42, 62, 66, 77, 78, 91, 93, 109, 143, 154, 182, 186, 217, 218, 231, 273, 286, 327, 341, 403, 429, 434, 462, 546, 651, 654, 682, 763, 806, 858, 1001, 1023, 1199, 1209, 1302, 1417, 1526, 2002, 2046, 2289, 2387, 2398, 2418, 2821, 2834, 3003, 3379, 3597, 4251, 4433, 4578, 4774, 5642, 6006, 6758, 7161, 7194, 8393, 8463, 8502, 8866, 9919, 10137, 13299, 14322, 15587, 16786, 16926, 19838, 20274, 23653, 25179, 26598, 29757, 31031, 31174, 37169, 43927, 46761, 47306, 50358, 59514, 62062, 70959, 74338, 87854, 93093, 93522, 109109, 111507, 131781, 141918, 186186, 218218, 223014, 260183, 263562, 307489, 327327, 483197, 520366, 614978, 654654, 780549, 922467, 966394, 1449591, 1561098, 1844934, 2899182, 3382379, 6764758, 10147137, 20294274]

約数ペア:

[(1, 20294274), (2, 10147137), (3, 6764758), (6, 3382379), (7, 2899182), (11, 1844934), (13, 1561098), (14, 1449591), (21, 966394), (22, 922467), (26, 780549), (31, 654654), (33, 614978), (39, 520366), (42, 483197), (62, 327327), (66, 307489), (77, 263562), (78, 260183), (91, 223014), (93, 218218), (109, 186186), (143, 141918), (154, 131781), (182, 111507), (186, 109109), (217, 93522), (218, 93093), (231, 87854), (273, 74338), (286, 70959), (327, 62062), (341, 59514), (403, 50358), (429, 47306), (434, 46761), (462, 43927), (546, 37169), (651, 31174), (654, 31031), (682, 29757), (763, 26598), (806, 25179), (858, 23653), (1001, 20274), (1023, 19838), (1199, 16926), (1209, 16786), (1302, 15587), (1417, 14322), (1526, 13299), (2002, 10137), (2046, 9919), (2289, 8866), (2387, 8502), (2398, 8463), (2418, 8393), (2821, 7194), (2834, 7161), (3003, 6758), (3379, 6006), (3597, 5642), (4251, 4774), (4433, 4578)]