20993024

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:135

約数の個数: 88

約数和(自身を含む): 48145440

約数和(自身を除く): 27152416

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 83, 104, 128, 152, 166, 208, 247, 256, 304, 332, 416, 494, 512, 608, 664, 832, 988, 1024, 1079, 1216, 1328, 1577, 1664, 1976, 2158, 2432, 2656, 3154, 3328, 3952, 4316, 4864, 5312, 6308, 6656, 7904, 8632, 9728, 10624, 12616, 13312, 15808, 17264, 19456, 20501, 21248, 25232, 31616, 34528, 41002, 42496, 50464, 63232, 69056, 82004, 84992, 100928, 126464, 138112, 164008, 201856, 252928, 276224, 328016, 403712, 552448, 656032, 807424, 1104896, 1312064, 1614848, 2624128, 5248256, 10496512, 20993024]

約数ペア:

[(1, 20993024), (2, 10496512), (4, 5248256), (8, 2624128), (13, 1614848), (16, 1312064), (19, 1104896), (26, 807424), (32, 656032), (38, 552448), (52, 403712), (64, 328016), (76, 276224), (83, 252928), (104, 201856), (128, 164008), (152, 138112), (166, 126464), (208, 100928), (247, 84992), (256, 82004), (304, 69056), (332, 63232), (416, 50464), (494, 42496), (512, 41002), (608, 34528), (664, 31616), (832, 25232), (988, 21248), (1024, 20501), (1079, 19456), (1216, 17264), (1328, 15808), (1577, 13312), (1664, 12616), (1976, 10624), (2158, 9728), (2432, 8632), (2656, 7904), (3154, 6656), (3328, 6308), (3952, 5312), (4316, 4864)]