20575232

素因数分解:

$2^{10}\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:374

約数の個数: 44

約数和(自身を含む): 41857056

約数和(自身を除く): 21281824

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 283, 284, 512, 566, 568, 1024, 1132, 1136, 2264, 2272, 4528, 4544, 9056, 9088, 18112, 18176, 20093, 36224, 36352, 40186, 72448, 72704, 80372, 144896, 160744, 289792, 321488, 642976, 1285952, 2571904, 5143808, 10287616, 20575232]

約数ペア:

[(1, 20575232), (2, 10287616), (4, 5143808), (8, 2571904), (16, 1285952), (32, 642976), (64, 321488), (71, 289792), (128, 160744), (142, 144896), (256, 80372), (283, 72704), (284, 72448), (512, 40186), (566, 36352), (568, 36224), (1024, 20093), (1132, 18176), (1136, 18112), (2264, 9088), (2272, 9056), (4528, 4544)]