20804700182

素因数分解:

$2^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{619}}^1\times {\mathrm{1777}}^1$

素因数の和:2605

約数の個数: 48

約数和(自身を含む): 36569690640

約数和(自身を除く): 15764990458

約数列:

[1, 2, 7, 14, 49, 98, 193, 386, 619, 1238, 1351, 1777, 2702, 3554, 4333, 8666, 9457, 12439, 18914, 24878, 30331, 60662, 87073, 119467, 174146, 238934, 342961, 685922, 836269, 1099963, 1672538, 2199926, 2400727, 4801454, 5853883, 7699741, 11707766, 15399482, 16805089, 33610178, 53898187, 107796374, 212292859, 424585718, 1486050013, 2972100026, 10402350091, 20804700182]

約数ペア:

[(1, 20804700182), (2, 10402350091), (7, 2972100026), (14, 1486050013), (49, 424585718), (98, 212292859), (193, 107796374), (386, 53898187), (619, 33610178), (1238, 16805089), (1351, 15399482), (1777, 11707766), (2702, 7699741), (3554, 5853883), (4333, 4801454), (8666, 2400727), (9457, 2199926), (12439, 1672538), (18914, 1099963), (24878, 836269), (30331, 685922), (60662, 342961), (87073, 238934), (119467, 174146)]