20810574

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 48686400

約数和(自身を除く): 27875826

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 97, 137, 174, 194, 261, 274, 291, 411, 522, 582, 783, 822, 873, 1233, 1566, 1746, 2466, 2619, 2813, 3699, 3973, 5238, 5626, 7398, 7946, 8439, 11919, 13289, 16878, 23838, 25317, 26578, 35757, 39867, 50634, 71514, 75951, 79734, 107271, 119601, 151902, 214542, 239202, 358803, 385381, 717606, 770762, 1156143, 2312286, 3468429, 6936858, 10405287, 20810574]

約数ペア:

[(1, 20810574), (2, 10405287), (3, 6936858), (6, 3468429), (9, 2312286), (18, 1156143), (27, 770762), (29, 717606), (54, 385381), (58, 358803), (87, 239202), (97, 214542), (137, 151902), (174, 119601), (194, 107271), (261, 79734), (274, 75951), (291, 71514), (411, 50634), (522, 39867), (582, 35757), (783, 26578), (822, 25317), (873, 23838), (1233, 16878), (1566, 13289), (1746, 11919), (2466, 8439), (2619, 7946), (2813, 7398), (3699, 5626), (3973, 5238)]