20959232

素因数分解:

$2^{12}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 104

約数和(自身を含む): 51898176

約数和(自身を除く): 30938944

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 43, 56, 64, 68, 86, 112, 119, 128, 136, 172, 224, 238, 256, 272, 301, 344, 448, 476, 512, 544, 602, 688, 731, 896, 952, 1024, 1088, 1204, 1376, 1462, 1792, 1904, 2048, 2176, 2408, 2752, 2924, 3584, 3808, 4096, 4352, 4816, 5117, 5504, 5848, 7168, 7616, 8704, 9632, 10234, 11008, 11696, 14336, 15232, 17408, 19264, 20468, 22016, 23392, 28672, 30464, 34816, 38528, 40936, 44032, 46784, 60928, 69632, 77056, 81872, 88064, 93568, 121856, 154112, 163744, 176128, 187136, 243712, 308224, 327488, 374272, 487424, 616448, 654976, 748544, 1232896, 1309952, 1497088, 2619904, 2994176, 5239808, 10479616, 20959232]

約数ペア:

[(1, 20959232), (2, 10479616), (4, 5239808), (7, 2994176), (8, 2619904), (14, 1497088), (16, 1309952), (17, 1232896), (28, 748544), (32, 654976), (34, 616448), (43, 487424), (56, 374272), (64, 327488), (68, 308224), (86, 243712), (112, 187136), (119, 176128), (128, 163744), (136, 154112), (172, 121856), (224, 93568), (238, 88064), (256, 81872), (272, 77056), (301, 69632), (344, 60928), (448, 46784), (476, 44032), (512, 40936), (544, 38528), (602, 34816), (688, 30464), (731, 28672), (896, 23392), (952, 22016), (1024, 20468), (1088, 19264), (1204, 17408), (1376, 15232), (1462, 14336), (1792, 11696), (1904, 11008), (2048, 10234), (2176, 9632), (2408, 8704), (2752, 7616), (2924, 7168), (3584, 5848), (3808, 5504), (4096, 5117), (4352, 4816)]