20109824

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:237

約数の個数: 80

約数和(自身を含む): 47663616

約数和(自身を除く): 27553792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 181, 217, 224, 248, 256, 362, 434, 448, 496, 512, 724, 868, 896, 992, 1267, 1448, 1736, 1792, 1984, 2534, 2896, 3472, 3584, 3968, 5068, 5611, 5792, 6944, 7936, 10136, 11222, 11584, 13888, 15872, 20272, 22444, 23168, 27776, 39277, 40544, 44888, 46336, 55552, 78554, 81088, 89776, 92672, 111104, 157108, 162176, 179552, 314216, 324352, 359104, 628432, 648704, 718208, 1256864, 1436416, 2513728, 2872832, 5027456, 10054912, 20109824]

約数ペア:

[(1, 20109824), (2, 10054912), (4, 5027456), (7, 2872832), (8, 2513728), (14, 1436416), (16, 1256864), (28, 718208), (31, 648704), (32, 628432), (56, 359104), (62, 324352), (64, 314216), (112, 179552), (124, 162176), (128, 157108), (181, 111104), (217, 92672), (224, 89776), (248, 81088), (256, 78554), (362, 55552), (434, 46336), (448, 44888), (496, 40544), (512, 39277), (724, 27776), (868, 23168), (896, 22444), (992, 20272), (1267, 15872), (1448, 13888), (1736, 11584), (1792, 11222), (1984, 10136), (2534, 7936), (2896, 6944), (3472, 5792), (3584, 5611), (3968, 5068)]