20708784

素因数分解:

$2^4\times 3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:97

約数の個数: 150

約数和(自身を含む): 65342420

約数和(自身を除く): 44633636

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 29, 36, 38, 48, 54, 57, 58, 72, 76, 81, 87, 108, 114, 116, 144, 152, 162, 171, 174, 216, 228, 232, 261, 304, 324, 342, 348, 432, 456, 464, 513, 522, 551, 648, 684, 696, 783, 841, 912, 1026, 1044, 1102, 1296, 1368, 1392, 1539, 1566, 1653, 1682, 2052, 2088, 2204, 2349, 2523, 2736, 3078, 3132, 3306, 3364, 4104, 4176, 4408, 4698, 4959, 5046, 6156, 6264, 6612, 6728, 7569, 8208, 8816, 9396, 9918, 10092, 12312, 12528, 13224, 13456, 14877, 15138, 15979, 18792, 19836, 20184, 22707, 24624, 26448, 29754, 30276, 31958, 37584, 39672, 40368, 44631, 45414, 47937, 59508, 60552, 63916, 68121, 79344, 89262, 90828, 95874, 119016, 121104, 127832, 136242, 143811, 178524, 181656, 191748, 238032, 255664, 272484, 287622, 357048, 363312, 383496, 431433, 544968, 575244, 714096, 766992, 862866, 1089936, 1150488, 1294299, 1725732, 2300976, 2588598, 3451464, 5177196, 6902928, 10354392, 20708784]

約数ペア:

[(1, 20708784), (2, 10354392), (3, 6902928), (4, 5177196), (6, 3451464), (8, 2588598), (9, 2300976), (12, 1725732), (16, 1294299), (18, 1150488), (19, 1089936), (24, 862866), (27, 766992), (29, 714096), (36, 575244), (38, 544968), (48, 431433), (54, 383496), (57, 363312), (58, 357048), (72, 287622), (76, 272484), (81, 255664), (87, 238032), (108, 191748), (114, 181656), (116, 178524), (144, 143811), (152, 136242), (162, 127832), (171, 121104), (174, 119016), (216, 95874), (228, 90828), (232, 89262), (261, 79344), (304, 68121), (324, 63916), (342, 60552), (348, 59508), (432, 47937), (456, 45414), (464, 44631), (513, 40368), (522, 39672), (551, 37584), (648, 31958), (684, 30276), (696, 29754), (783, 26448), (841, 24624), (912, 22707), (1026, 20184), (1044, 19836), (1102, 18792), (1296, 15979), (1368, 15138), (1392, 14877), (1539, 13456), (1566, 13224), (1653, 12528), (1682, 12312), (2052, 10092), (2088, 9918), (2204, 9396), (2349, 8816), (2523, 8208), (2736, 7569), (3078, 6728), (3132, 6612), (3306, 6264), (3364, 6156), (4104, 5046), (4176, 4959), (4408, 4698)]