20957343

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 11183457

約数列:

[1, 3, 11, 29, 33, 61, 87, 183, 319, 359, 671, 957, 1077, 1769, 2013, 3949, 5307, 10411, 11847, 19459, 21899, 31233, 58377, 65697, 114521, 240889, 343563, 635071, 722667, 1905213, 6985781, 20957343]

約数ペア:

[(1, 20957343), (3, 6985781), (11, 1905213), (29, 722667), (33, 635071), (61, 343563), (87, 240889), (183, 114521), (319, 65697), (359, 58377), (671, 31233), (957, 21899), (1077, 19459), (1769, 11847), (2013, 10411), (3949, 5307)]