20087488

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 56

約数和(自身を含む): 42062400

約数和(自身を除く): 21974912

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 79, 116, 137, 158, 232, 274, 316, 464, 548, 632, 928, 1096, 1264, 1856, 2192, 2291, 2528, 3973, 4384, 4582, 5056, 7946, 8768, 9164, 10823, 15892, 18328, 21646, 31784, 36656, 43292, 63568, 73312, 86584, 127136, 146624, 173168, 254272, 313867, 346336, 627734, 692672, 1255468, 2510936, 5021872, 10043744, 20087488]

約数ペア:

[(1, 20087488), (2, 10043744), (4, 5021872), (8, 2510936), (16, 1255468), (29, 692672), (32, 627734), (58, 346336), (64, 313867), (79, 254272), (116, 173168), (137, 146624), (158, 127136), (232, 86584), (274, 73312), (316, 63568), (464, 43292), (548, 36656), (632, 31784), (928, 21646), (1096, 18328), (1264, 15892), (1856, 10823), (2192, 9164), (2291, 8768), (2528, 7946), (3973, 5056), (4384, 4582)]