20617926

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3691}}^1$

素因数の和:3729

約数の個数: 48

約数和(自身を含む): 50506560

約数和(自身を除く): 29888634

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 98, 114, 133, 147, 266, 294, 399, 798, 931, 1862, 2793, 3691, 5586, 7382, 11073, 22146, 25837, 51674, 70129, 77511, 140258, 155022, 180859, 210387, 361718, 420774, 490903, 542577, 981806, 1085154, 1472709, 2945418, 3436321, 6872642, 10308963, 20617926]

約数ペア:

[(1, 20617926), (2, 10308963), (3, 6872642), (6, 3436321), (7, 2945418), (14, 1472709), (19, 1085154), (21, 981806), (38, 542577), (42, 490903), (49, 420774), (57, 361718), (98, 210387), (114, 180859), (133, 155022), (147, 140258), (266, 77511), (294, 70129), (399, 51674), (798, 25837), (931, 22146), (1862, 11073), (2793, 7382), (3691, 5586)]