20915136

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{3301}}^1$

素因数の和:3330

約数の個数: 84

約数和(自身を含む): 65419224

約数和(自身を除く): 44504088

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 132, 144, 176, 192, 198, 264, 288, 352, 396, 528, 576, 704, 792, 1056, 1584, 2112, 3168, 3301, 6336, 6602, 9903, 13204, 19806, 26408, 29709, 36311, 39612, 52816, 59418, 72622, 79224, 105632, 108933, 118836, 145244, 158448, 211264, 217866, 237672, 290488, 316896, 326799, 435732, 475344, 580976, 633792, 653598, 871464, 950688, 1161952, 1307196, 1742928, 1901376, 2323904, 2614392, 3485856, 5228784, 6971712, 10457568, 20915136]

約数ペア:

[(1, 20915136), (2, 10457568), (3, 6971712), (4, 5228784), (6, 3485856), (8, 2614392), (9, 2323904), (11, 1901376), (12, 1742928), (16, 1307196), (18, 1161952), (22, 950688), (24, 871464), (32, 653598), (33, 633792), (36, 580976), (44, 475344), (48, 435732), (64, 326799), (66, 316896), (72, 290488), (88, 237672), (96, 217866), (99, 211264), (132, 158448), (144, 145244), (176, 118836), (192, 108933), (198, 105632), (264, 79224), (288, 72622), (352, 59418), (396, 52816), (528, 39612), (576, 36311), (704, 29709), (792, 26408), (1056, 19806), (1584, 13204), (2112, 9903), (3168, 6602), (3301, 6336)]