20493696

素因数分解:

$2^7\times 3^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 55177920

約数和(自身を除く): 34684224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 83, 96, 128, 166, 192, 249, 332, 384, 498, 643, 664, 996, 1286, 1328, 1929, 1992, 2572, 2656, 3858, 3984, 5144, 5312, 7716, 7968, 10288, 10624, 15432, 15936, 20576, 30864, 31872, 41152, 53369, 61728, 82304, 106738, 123456, 160107, 213476, 246912, 320214, 426952, 640428, 853904, 1280856, 1707808, 2561712, 3415616, 5123424, 6831232, 10246848, 20493696]

約数ペア:

[(1, 20493696), (2, 10246848), (3, 6831232), (4, 5123424), (6, 3415616), (8, 2561712), (12, 1707808), (16, 1280856), (24, 853904), (32, 640428), (48, 426952), (64, 320214), (83, 246912), (96, 213476), (128, 160107), (166, 123456), (192, 106738), (249, 82304), (332, 61728), (384, 53369), (498, 41152), (643, 31872), (664, 30864), (996, 20576), (1286, 15936), (1328, 15432), (1929, 10624), (1992, 10288), (2572, 7968), (2656, 7716), (3858, 5312), (3984, 5144)]