20852559

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 41094144

約数和(自身を除く): 20241585

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 41, 63, 69, 81, 91, 117, 123, 161, 189, 207, 243, 273, 287, 299, 351, 369, 483, 533, 567, 621, 819, 861, 897, 943, 1053, 1107, 1449, 1599, 1701, 1863, 2093, 2457, 2583, 2691, 2829, 3159, 3321, 3731, 4347, 4797, 5589, 6279, 6601, 7371, 7749, 8073, 8487, 9963, 11193, 12259, 13041, 14391, 18837, 19803, 22113, 23247, 24219, 25461, 33579, 36777, 39123, 43173, 56511, 59409, 69741, 72657, 76383, 85813, 100737, 110331, 129519, 169533, 178227, 229149, 257439, 302211, 330993, 508599, 534681, 772317, 906633, 992979, 1604043, 2316951, 2978937, 6950853, 20852559]

約数ペア:

[(1, 20852559), (3, 6950853), (7, 2978937), (9, 2316951), (13, 1604043), (21, 992979), (23, 906633), (27, 772317), (39, 534681), (41, 508599), (63, 330993), (69, 302211), (81, 257439), (91, 229149), (117, 178227), (123, 169533), (161, 129519), (189, 110331), (207, 100737), (243, 85813), (273, 76383), (287, 72657), (299, 69741), (351, 59409), (369, 56511), (483, 43173), (533, 39123), (567, 36777), (621, 33579), (819, 25461), (861, 24219), (897, 23247), (943, 22113), (1053, 19803), (1107, 18837), (1449, 14391), (1599, 13041), (1701, 12259), (1863, 11193), (2093, 9963), (2457, 8487), (2583, 8073), (2691, 7749), (2829, 7371), (3159, 6601), (3321, 6279), (3731, 5589), (4347, 4797)]