20148004784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{8971}}^1$

素因数の和:9378

約数の個数: 80

約数和(自身を含む): 43255088640

約数和(自身を除く): 23107083856

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 359, 368, 391, 718, 782, 1436, 1564, 2872, 3128, 5744, 6103, 6256, 8257, 8971, 12206, 16514, 17942, 24412, 33028, 35884, 48824, 66056, 71768, 97648, 132112, 140369, 143536, 152507, 206333, 280738, 305014, 412666, 561476, 610028, 825332, 1122952, 1220056, 1650664, 2245904, 2440112, 3220589, 3301328, 3507661, 6441178, 7015322, 12882356, 14030644, 25764712, 28061288, 51529424, 54750013, 56122576, 74073547, 109500026, 148147094, 219000052, 296294188, 438000104, 592588376, 876000208, 1185176752, 1259250299, 2518500598, 5037001196, 10074002392, 20148004784]

約数ペア:

[(1, 20148004784), (2, 10074002392), (4, 5037001196), (8, 2518500598), (16, 1259250299), (17, 1185176752), (23, 876000208), (34, 592588376), (46, 438000104), (68, 296294188), (92, 219000052), (136, 148147094), (184, 109500026), (272, 74073547), (359, 56122576), (368, 54750013), (391, 51529424), (718, 28061288), (782, 25764712), (1436, 14030644), (1564, 12882356), (2872, 7015322), (3128, 6441178), (5744, 3507661), (6103, 3301328), (6256, 3220589), (8257, 2440112), (8971, 2245904), (12206, 1650664), (16514, 1220056), (17942, 1122952), (24412, 825332), (33028, 610028), (35884, 561476), (48824, 412666), (66056, 305014), (71768, 280738), (97648, 206333), (132112, 152507), (140369, 143536)]