20213069876

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{2111}}^1$

素因数の和:2544

約数の個数: 48

約数和(自身を含む): 36252733440

約数和(自身を除く): 16039663564

約数列:

[1, 2, 4, 79, 157, 158, 193, 314, 316, 386, 628, 772, 2111, 4222, 8444, 12403, 15247, 24806, 30301, 30494, 49612, 60602, 60988, 121204, 166769, 331427, 333538, 407423, 662854, 667076, 814846, 1325708, 1629692, 2393779, 4787558, 9575116, 26182733, 32186417, 52365466, 63965411, 64372834, 104730932, 127930822, 128745668, 255861644, 5053267469, 10106534938, 20213069876]

約数ペア:

[(1, 20213069876), (2, 10106534938), (4, 5053267469), (79, 255861644), (157, 128745668), (158, 127930822), (193, 104730932), (314, 64372834), (316, 63965411), (386, 52365466), (628, 32186417), (772, 26182733), (2111, 9575116), (4222, 4787558), (8444, 2393779), (12403, 1629692), (15247, 1325708), (24806, 814846), (30301, 667076), (30494, 662854), (49612, 407423), (60602, 333538), (60988, 331427), (121204, 166769)]