20762896

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:932

約数の個数: 80

約数和(自身を含む): 52853760

約数和(自身を除く): 32090864

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 887, 1064, 1232, 1463, 1672, 1774, 2128, 2926, 3344, 3548, 5852, 6209, 7096, 9757, 11704, 12418, 14192, 16853, 19514, 23408, 24836, 33706, 39028, 49672, 67412, 68299, 78056, 99344, 117971, 134824, 136598, 156112, 185383, 235942, 269648, 273196, 370766, 471884, 546392, 741532, 943768, 1092784, 1297681, 1483064, 1887536, 2595362, 2966128, 5190724, 10381448, 20762896]

約数ペア:

[(1, 20762896), (2, 10381448), (4, 5190724), (7, 2966128), (8, 2595362), (11, 1887536), (14, 1483064), (16, 1297681), (19, 1092784), (22, 943768), (28, 741532), (38, 546392), (44, 471884), (56, 370766), (76, 273196), (77, 269648), (88, 235942), (112, 185383), (133, 156112), (152, 136598), (154, 134824), (176, 117971), (209, 99344), (266, 78056), (304, 68299), (308, 67412), (418, 49672), (532, 39028), (616, 33706), (836, 24836), (887, 23408), (1064, 19514), (1232, 16853), (1463, 14192), (1672, 12418), (1774, 11704), (2128, 9757), (2926, 7096), (3344, 6209), (3548, 5852)]