20289906

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4129}}^1$

素因数の和:4160

約数の個数: 64

約数和(自身を含む): 55507200

約数和(自身を除く): 35217294

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4129, 4914, 8258, 12387, 24774, 28903, 37161, 53677, 57806, 74322, 86709, 107354, 111483, 161031, 173418, 222966, 260127, 322062, 375739, 483093, 520254, 751478, 780381, 966186, 1127217, 1449279, 1560762, 2254434, 2898558, 3381651, 6763302, 10144953, 20289906]

約数ペア:

[(1, 20289906), (2, 10144953), (3, 6763302), (6, 3381651), (7, 2898558), (9, 2254434), (13, 1560762), (14, 1449279), (18, 1127217), (21, 966186), (26, 780381), (27, 751478), (39, 520254), (42, 483093), (54, 375739), (63, 322062), (78, 260127), (91, 222966), (117, 173418), (126, 161031), (182, 111483), (189, 107354), (234, 86709), (273, 74322), (351, 57806), (378, 53677), (546, 37161), (702, 28903), (819, 24774), (1638, 12387), (2457, 8258), (4129, 4914)]