20946156728

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1\times {\mathrm{21647}}^1$

素因数の和:22164

約数の個数: 64

約数和(自身を含む): 46198563840

約数和(自身を除く): 25252407112

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 467, 518, 934, 1036, 1868, 2072, 3269, 3736, 6538, 13076, 17279, 21647, 26152, 34558, 43294, 69116, 86588, 120953, 138232, 151529, 173176, 241906, 303058, 483812, 606116, 800939, 967624, 1212232, 1601878, 3203756, 5606573, 6407512, 10109149, 11213146, 20218298, 22426292, 40436596, 44852584, 70764043, 80873192, 141528086, 283056172, 374038513, 566112344, 748077026, 1496154052, 2618269591, 2992308104, 5236539182, 10473078364, 20946156728]

約数ペア:

[(1, 20946156728), (2, 10473078364), (4, 5236539182), (7, 2992308104), (8, 2618269591), (14, 1496154052), (28, 748077026), (37, 566112344), (56, 374038513), (74, 283056172), (148, 141528086), (259, 80873192), (296, 70764043), (467, 44852584), (518, 40436596), (934, 22426292), (1036, 20218298), (1868, 11213146), (2072, 10109149), (3269, 6407512), (3736, 5606573), (6538, 3203756), (13076, 1601878), (17279, 1212232), (21647, 967624), (26152, 800939), (34558, 606116), (43294, 483812), (69116, 303058), (86588, 241906), (120953, 173176), (138232, 151529)]