20970414

素因数分解:

$2^1\times 3^6\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:796

約数の個数: 56

約数和(自身を含む): 49709640

約数和(自身を除く): 28739226

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 243, 342, 486, 513, 729, 757, 1026, 1458, 1514, 1539, 2271, 3078, 4542, 4617, 6813, 9234, 13626, 13851, 14383, 20439, 27702, 28766, 40878, 43149, 61317, 86298, 122634, 129447, 183951, 258894, 367902, 388341, 551853, 776682, 1103706, 1165023, 2330046, 3495069, 6990138, 10485207, 20970414]

約数ペア:

[(1, 20970414), (2, 10485207), (3, 6990138), (6, 3495069), (9, 2330046), (18, 1165023), (19, 1103706), (27, 776682), (38, 551853), (54, 388341), (57, 367902), (81, 258894), (114, 183951), (162, 129447), (171, 122634), (243, 86298), (342, 61317), (486, 43149), (513, 40878), (729, 28766), (757, 27702), (1026, 20439), (1458, 14383), (1514, 13851), (1539, 13626), (2271, 9234), (3078, 6813), (4542, 4617)]