20171520712

素因数分解:

$2^3\times 7^2\times {\mathrm{373}}^1\times {\mathrm{137957}}^1$

素因数の和:138350

約数の個数: 48

約数和(自身を含む): 44114829660

約数和(自身を除く): 23943308948

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 373, 392, 746, 1492, 2611, 2984, 5222, 10444, 18277, 20888, 36554, 73108, 137957, 146216, 275914, 551828, 965699, 1103656, 1931398, 3862796, 6759893, 7725592, 13519786, 27039572, 51457961, 54079144, 102915922, 205831844, 360205727, 411663688, 720411454, 1440822908, 2521440089, 2881645816, 5042880178, 10085760356, 20171520712]

約数ペア:

[(1, 20171520712), (2, 10085760356), (4, 5042880178), (7, 2881645816), (8, 2521440089), (14, 1440822908), (28, 720411454), (49, 411663688), (56, 360205727), (98, 205831844), (196, 102915922), (373, 54079144), (392, 51457961), (746, 27039572), (1492, 13519786), (2611, 7725592), (2984, 6759893), (5222, 3862796), (10444, 1931398), (18277, 1103656), (20888, 965699), (36554, 551828), (73108, 275914), (137957, 146216)]