20593664

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:70

約数の個数: 132

約数和(自身を含む): 53942544

約数和(自身を除く): 33348880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 128, 136, 169, 182, 208, 221, 224, 238, 256, 272, 338, 364, 416, 442, 448, 476, 512, 544, 676, 728, 832, 884, 896, 952, 1024, 1088, 1183, 1352, 1456, 1547, 1664, 1768, 1792, 1904, 2176, 2366, 2704, 2873, 2912, 3094, 3328, 3536, 3584, 3808, 4352, 4732, 5408, 5746, 5824, 6188, 6656, 7072, 7168, 7616, 8704, 9464, 10816, 11492, 11648, 12376, 13312, 14144, 15232, 17408, 18928, 20111, 21632, 22984, 23296, 24752, 28288, 30464, 37856, 40222, 43264, 45968, 46592, 49504, 56576, 60928, 75712, 80444, 86528, 91936, 93184, 99008, 113152, 121856, 151424, 160888, 173056, 183872, 198016, 226304, 302848, 321776, 367744, 396032, 605696, 643552, 735488, 792064, 1211392, 1287104, 1470976, 1584128, 2574208, 2941952, 5148416, 10296832, 20593664]

約数ペア:

[(1, 20593664), (2, 10296832), (4, 5148416), (7, 2941952), (8, 2574208), (13, 1584128), (14, 1470976), (16, 1287104), (17, 1211392), (26, 792064), (28, 735488), (32, 643552), (34, 605696), (52, 396032), (56, 367744), (64, 321776), (68, 302848), (91, 226304), (104, 198016), (112, 183872), (119, 173056), (128, 160888), (136, 151424), (169, 121856), (182, 113152), (208, 99008), (221, 93184), (224, 91936), (238, 86528), (256, 80444), (272, 75712), (338, 60928), (364, 56576), (416, 49504), (442, 46592), (448, 45968), (476, 43264), (512, 40222), (544, 37856), (676, 30464), (728, 28288), (832, 24752), (884, 23296), (896, 22984), (952, 21632), (1024, 20111), (1088, 18928), (1183, 17408), (1352, 15232), (1456, 14144), (1547, 13312), (1664, 12376), (1768, 11648), (1792, 11492), (1904, 10816), (2176, 9464), (2366, 8704), (2704, 7616), (2873, 7168), (2912, 7072), (3094, 6656), (3328, 6188), (3536, 5824), (3584, 5746), (3808, 5408), (4352, 4732)]