20429248

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1521

約数の個数: 56

約数和(自身を含む): 47857664

約数和(自身を除く): 27428416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1471, 1736, 1984, 2942, 3472, 5884, 6944, 10297, 11768, 13888, 20594, 23536, 41188, 45601, 47072, 82376, 91202, 94144, 164752, 182404, 319207, 329504, 364808, 638414, 659008, 729616, 1276828, 1459232, 2553656, 2918464, 5107312, 10214624, 20429248]

約数ペア:

[(1, 20429248), (2, 10214624), (4, 5107312), (7, 2918464), (8, 2553656), (14, 1459232), (16, 1276828), (28, 729616), (31, 659008), (32, 638414), (56, 364808), (62, 329504), (64, 319207), (112, 182404), (124, 164752), (217, 94144), (224, 91202), (248, 82376), (434, 47072), (448, 45601), (496, 41188), (868, 23536), (992, 20594), (1471, 13888), (1736, 11768), (1984, 10297), (2942, 6944), (3472, 5884)]