20113408

素因数分解:

$2^{11}\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 48746880

約数和(自身を除く): 28633472

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 61, 64, 92, 112, 122, 128, 161, 184, 224, 244, 256, 322, 368, 427, 448, 488, 512, 644, 736, 854, 896, 976, 1024, 1288, 1403, 1472, 1708, 1792, 1952, 2048, 2576, 2806, 2944, 3416, 3584, 3904, 5152, 5612, 5888, 6832, 7168, 7808, 9821, 10304, 11224, 11776, 13664, 14336, 15616, 19642, 20608, 22448, 23552, 27328, 31232, 39284, 41216, 44896, 47104, 54656, 62464, 78568, 82432, 89792, 109312, 124928, 157136, 164864, 179584, 218624, 314272, 329728, 359168, 437248, 628544, 718336, 874496, 1257088, 1436672, 2514176, 2873344, 5028352, 10056704, 20113408]

約数ペア:

[(1, 20113408), (2, 10056704), (4, 5028352), (7, 2873344), (8, 2514176), (14, 1436672), (16, 1257088), (23, 874496), (28, 718336), (32, 628544), (46, 437248), (56, 359168), (61, 329728), (64, 314272), (92, 218624), (112, 179584), (122, 164864), (128, 157136), (161, 124928), (184, 109312), (224, 89792), (244, 82432), (256, 78568), (322, 62464), (368, 54656), (427, 47104), (448, 44896), (488, 41216), (512, 39284), (644, 31232), (736, 27328), (854, 23552), (896, 22448), (976, 20608), (1024, 19642), (1288, 15616), (1403, 14336), (1472, 13664), (1708, 11776), (1792, 11224), (1952, 10304), (2048, 9821), (2576, 7808), (2806, 7168), (2944, 6832), (3416, 5888), (3584, 5612), (3904, 5152)]