20347685757

素因数分解:

$3^4\times 7^3\times {\mathrm{617}}^1\times {\mathrm{1187}}^1$

素因数の和:1837

約数の個数: 80

約数和(自身を含む): 35534505600

約数和(自身を除く): 15186819843

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 617, 1029, 1187, 1323, 1851, 3087, 3561, 3969, 4319, 5553, 8309, 9261, 10683, 12957, 16659, 24927, 27783, 30233, 32049, 38871, 49977, 58163, 74781, 90699, 96147, 116613, 174489, 211631, 224343, 272097, 349839, 407141, 523467, 634893, 673029, 732379, 816291, 1221423, 1570401, 1904679, 2197137, 2448873, 3664269, 4711203, 5126653, 5714037, 6591411, 10992807, 15379959, 17142111, 19774233, 32978421, 35886571, 46139877, 59322699, 107659713, 138419631, 251205997, 322979139, 415258893, 753617991, 968937417, 2260853973, 2906812251, 6782561919, 20347685757]

約数ペア:

[(1, 20347685757), (3, 6782561919), (7, 2906812251), (9, 2260853973), (21, 968937417), (27, 753617991), (49, 415258893), (63, 322979139), (81, 251205997), (147, 138419631), (189, 107659713), (343, 59322699), (441, 46139877), (567, 35886571), (617, 32978421), (1029, 19774233), (1187, 17142111), (1323, 15379959), (1851, 10992807), (3087, 6591411), (3561, 5714037), (3969, 5126653), (4319, 4711203), (5553, 3664269), (8309, 2448873), (9261, 2197137), (10683, 1904679), (12957, 1570401), (16659, 1221423), (24927, 816291), (27783, 732379), (30233, 673029), (32049, 634893), (38871, 523467), (49977, 407141), (58163, 349839), (74781, 272097), (90699, 224343), (96147, 211631), (116613, 174489)]