20412173537

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{4721}}^1$

素因数の和:4854

約数の個数: 48

約数和(自身を含む): 25906780800

約数和(自身を除く): 5494607263

約数列:

[1, 7, 19, 29, 59, 133, 203, 361, 413, 551, 1121, 1711, 2527, 3857, 4721, 7847, 10469, 11977, 21299, 32509, 33047, 73283, 89699, 136909, 149093, 227563, 278539, 617671, 627893, 958363, 1704281, 1949773, 2601271, 4323697, 5292241, 8077631, 11929967, 18208897, 37045687, 49424149, 56543417, 100552579, 153474989, 345969043, 703868053, 1074324923, 2916024791, 20412173537]

約数ペア:

[(1, 20412173537), (7, 2916024791), (19, 1074324923), (29, 703868053), (59, 345969043), (133, 153474989), (203, 100552579), (361, 56543417), (413, 49424149), (551, 37045687), (1121, 18208897), (1711, 11929967), (2527, 8077631), (3857, 5292241), (4721, 4323697), (7847, 2601271), (10469, 1949773), (11977, 1704281), (21299, 958363), (32509, 627893), (33047, 617671), (73283, 278539), (89699, 227563), (136909, 149093)]