20179356848

素因数分解:

$2^4\times 7^1\times {\mathrm{907}}^1\times {\mathrm{198647}}^1$

素因数の和:199569

約数の個数: 40

約数和(自身を含む): 44732351232

約数和(自身を除く): 24552994384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 907, 1814, 3628, 6349, 7256, 12698, 14512, 25396, 50792, 101584, 198647, 397294, 794588, 1390529, 1589176, 2781058, 3178352, 5562116, 11124232, 22248464, 180172829, 360345658, 720691316, 1261209803, 1441382632, 2522419606, 2882765264, 5044839212, 10089678424, 20179356848]

約数ペア:

[(1, 20179356848), (2, 10089678424), (4, 5044839212), (7, 2882765264), (8, 2522419606), (14, 1441382632), (16, 1261209803), (28, 720691316), (56, 360345658), (112, 180172829), (907, 22248464), (1814, 11124232), (3628, 5562116), (6349, 3178352), (7256, 2781058), (12698, 1589176), (14512, 1390529), (25396, 794588), (50792, 397294), (101584, 198647)]