20108574

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 80

約数和(自身を含む): 48787200

約数和(自身を除く): 28678626

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 47, 54, 57, 81, 94, 114, 139, 141, 162, 171, 278, 282, 342, 417, 423, 513, 834, 846, 893, 1026, 1251, 1269, 1539, 1786, 2502, 2538, 2641, 2679, 3078, 3753, 3807, 5282, 5358, 6533, 7506, 7614, 7923, 8037, 11259, 13066, 15846, 16074, 19599, 22518, 23769, 24111, 39198, 47538, 48222, 58797, 71307, 72333, 117594, 124127, 142614, 144666, 176391, 213921, 248254, 352782, 372381, 427842, 529173, 744762, 1058346, 1117143, 2234286, 3351429, 6702858, 10054287, 20108574]

約数ペア:

[(1, 20108574), (2, 10054287), (3, 6702858), (6, 3351429), (9, 2234286), (18, 1117143), (19, 1058346), (27, 744762), (38, 529173), (47, 427842), (54, 372381), (57, 352782), (81, 248254), (94, 213921), (114, 176391), (139, 144666), (141, 142614), (162, 124127), (171, 117594), (278, 72333), (282, 71307), (342, 58797), (417, 48222), (423, 47538), (513, 39198), (834, 24111), (846, 23769), (893, 22518), (1026, 19599), (1251, 16074), (1269, 15846), (1539, 13066), (1786, 11259), (2502, 8037), (2538, 7923), (2641, 7614), (2679, 7506), (3078, 6533), (3753, 5358), (3807, 5282)]