20798976

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1$

素因数の和:1263

約数の個数: 80

約数和(自身を含む): 60496128

約数和(自身を除く): 39697152

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 88, 96, 128, 132, 176, 192, 256, 264, 352, 384, 512, 528, 704, 768, 1056, 1231, 1408, 1536, 2112, 2462, 2816, 3693, 4224, 4924, 5632, 7386, 8448, 9848, 13541, 14772, 16896, 19696, 27082, 29544, 39392, 40623, 54164, 59088, 78784, 81246, 108328, 118176, 157568, 162492, 216656, 236352, 315136, 324984, 433312, 472704, 630272, 649968, 866624, 945408, 1299936, 1733248, 1890816, 2599872, 3466496, 5199744, 6932992, 10399488, 20798976]

約数ペア:

[(1, 20798976), (2, 10399488), (3, 6932992), (4, 5199744), (6, 3466496), (8, 2599872), (11, 1890816), (12, 1733248), (16, 1299936), (22, 945408), (24, 866624), (32, 649968), (33, 630272), (44, 472704), (48, 433312), (64, 324984), (66, 315136), (88, 236352), (96, 216656), (128, 162492), (132, 157568), (176, 118176), (192, 108328), (256, 81246), (264, 78784), (352, 59088), (384, 54164), (512, 40623), (528, 39392), (704, 29544), (768, 27082), (1056, 19696), (1231, 16896), (1408, 14772), (1536, 13541), (2112, 9848), (2462, 8448), (2816, 7386), (3693, 5632), (4224, 4924)]