20249220159

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{5441}}^1$

素因数の和:5590

約数の個数: 96

約数和(自身を含む): 36478814400

約数和(自身を除く): 16229594241

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 97, 147, 189, 203, 261, 291, 441, 609, 679, 783, 873, 1323, 1421, 1827, 2037, 2619, 2813, 4263, 4753, 5441, 5481, 6111, 8439, 12789, 14259, 16323, 18333, 19691, 25317, 38087, 38367, 42777, 48969, 59073, 75951, 114261, 128331, 137837, 146907, 157789, 177219, 266609, 342783, 413511, 473367, 527777, 531657, 799827, 1028349, 1104523, 1240533, 1420101, 1583331, 2399481, 3313569, 3694439, 3721599, 4260303, 4749993, 7198443, 7731661, 9940707, 11083317, 14249979, 15305533, 23194983, 25861073, 29822121, 33249951, 45916599, 69584949, 77583219, 99749853, 107138731, 137749797, 208754847, 232749657, 321416193, 413249391, 698248971, 749971117, 964248579, 2249913351, 2892745737, 6749740053, 20249220159]

約数ペア:

[(1, 20249220159), (3, 6749740053), (7, 2892745737), (9, 2249913351), (21, 964248579), (27, 749971117), (29, 698248971), (49, 413249391), (63, 321416193), (87, 232749657), (97, 208754847), (147, 137749797), (189, 107138731), (203, 99749853), (261, 77583219), (291, 69584949), (441, 45916599), (609, 33249951), (679, 29822121), (783, 25861073), (873, 23194983), (1323, 15305533), (1421, 14249979), (1827, 11083317), (2037, 9940707), (2619, 7731661), (2813, 7198443), (4263, 4749993), (4753, 4260303), (5441, 3721599), (5481, 3694439), (6111, 3313569), (8439, 2399481), (12789, 1583331), (14259, 1420101), (16323, 1240533), (18333, 1104523), (19691, 1028349), (25317, 799827), (38087, 531657), (38367, 527777), (42777, 473367), (48969, 413511), (59073, 342783), (75951, 266609), (114261, 177219), (128331, 157789), (137837, 146907)]