20238507471

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{17117}}^1$

素因数の和:17272

約数の個数: 64

約数和(自身を含む): 34233808896

約数和(自身を除く): 13995301425

約数列:

[1, 3, 7, 13, 21, 39, 61, 71, 91, 183, 213, 273, 427, 497, 793, 923, 1281, 1491, 2379, 2769, 4331, 5551, 6461, 12993, 16653, 17117, 19383, 30317, 51351, 56303, 90951, 119819, 168909, 222521, 359457, 394121, 667563, 1044137, 1182363, 1215307, 1557647, 3132411, 3645921, 4672941, 7308959, 8507149, 13573781, 15798991, 21926877, 25521447, 40721343, 47396973, 74133727, 95016467, 110592937, 222401181, 285049401, 331778811, 518936089, 963738451, 1556808267, 2891215353, 6746169157, 20238507471]

約数ペア:

[(1, 20238507471), (3, 6746169157), (7, 2891215353), (13, 1556808267), (21, 963738451), (39, 518936089), (61, 331778811), (71, 285049401), (91, 222401181), (183, 110592937), (213, 95016467), (273, 74133727), (427, 47396973), (497, 40721343), (793, 25521447), (923, 21926877), (1281, 15798991), (1491, 13573781), (2379, 8507149), (2769, 7308959), (4331, 4672941), (5551, 3645921), (6461, 3132411), (12993, 1557647), (16653, 1215307), (17117, 1182363), (19383, 1044137), (30317, 667563), (51351, 394121), (56303, 359457), (90951, 222521), (119819, 168909)]