20119970397717

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{797}}^1\times {\mathrm{327797}}^1$

素因数の和:328842

約数の個数: 48

約数和(自身を含む): 29925072777600

約数和(自身を除く): 9805102379883

約数列:

[1, 3, 9, 43, 129, 199, 387, 597, 797, 1791, 2391, 7173, 8557, 25671, 34271, 77013, 102813, 158603, 308439, 327797, 475809, 983391, 1427427, 2950173, 6819929, 14095271, 20459787, 42285813, 61379361, 65231603, 126857439, 195694809, 261254209, 587084427, 783762627, 2351287881, 2804958929, 8414876787, 11233930987, 25244630361, 33701792961, 51989587591, 101105378883, 155968762773, 467906288319, 2235552266413, 6706656799239, 20119970397717]

約数ペア:

[(1, 20119970397717), (3, 6706656799239), (9, 2235552266413), (43, 467906288319), (129, 155968762773), (199, 101105378883), (387, 51989587591), (597, 33701792961), (797, 25244630361), (1791, 11233930987), (2391, 8414876787), (7173, 2804958929), (8557, 2351287881), (25671, 783762627), (34271, 587084427), (77013, 261254209), (102813, 195694809), (158603, 126857439), (308439, 65231603), (327797, 61379361), (475809, 42285813), (983391, 20459787), (1427427, 14095271), (2950173, 6819929)]