20992512

素因数分解:

$2^9\times 3^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 80

約数和(自身を含む): 56960640

約数和(自身を除く): 35968128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 158, 173, 192, 237, 256, 316, 346, 384, 474, 512, 519, 632, 692, 768, 948, 1038, 1264, 1384, 1536, 1896, 2076, 2528, 2768, 3792, 4152, 5056, 5536, 7584, 8304, 10112, 11072, 13667, 15168, 16608, 20224, 22144, 27334, 30336, 33216, 40448, 41001, 44288, 54668, 60672, 66432, 82002, 88576, 109336, 121344, 132864, 164004, 218672, 265728, 328008, 437344, 656016, 874688, 1312032, 1749376, 2624064, 3498752, 5248128, 6997504, 10496256, 20992512]

約数ペア:

[(1, 20992512), (2, 10496256), (3, 6997504), (4, 5248128), (6, 3498752), (8, 2624064), (12, 1749376), (16, 1312032), (24, 874688), (32, 656016), (48, 437344), (64, 328008), (79, 265728), (96, 218672), (128, 164004), (158, 132864), (173, 121344), (192, 109336), (237, 88576), (256, 82002), (316, 66432), (346, 60672), (384, 54668), (474, 44288), (512, 41001), (519, 40448), (632, 33216), (692, 30336), (768, 27334), (948, 22144), (1038, 20224), (1264, 16608), (1384, 15168), (1536, 13667), (1896, 11072), (2076, 10112), (2528, 8304), (2768, 7584), (3792, 5536), (4152, 5056)]