20340250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 44478720

約数和(自身を除く): 24138470

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 59, 70, 118, 125, 175, 197, 250, 295, 350, 394, 413, 590, 826, 875, 985, 1379, 1475, 1750, 1970, 2065, 2758, 2950, 4130, 4925, 6895, 7375, 9850, 10325, 11623, 13790, 14750, 20650, 23246, 24625, 34475, 49250, 51625, 58115, 68950, 81361, 103250, 116230, 162722, 172375, 290575, 344750, 406805, 581150, 813610, 1452875, 2034025, 2905750, 4068050, 10170125, 20340250]

約数ペア:

[(1, 20340250), (2, 10170125), (5, 4068050), (7, 2905750), (10, 2034025), (14, 1452875), (25, 813610), (35, 581150), (50, 406805), (59, 344750), (70, 290575), (118, 172375), (125, 162722), (175, 116230), (197, 103250), (250, 81361), (295, 68950), (350, 58115), (394, 51625), (413, 49250), (590, 34475), (826, 24625), (875, 23246), (985, 20650), (1379, 14750), (1475, 13790), (1750, 11623), (1970, 10325), (2065, 9850), (2758, 7375), (2950, 6895), (4130, 4925)]