20005978473

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{26839}}^1$

素因数の和:27158

約数の個数: 48

約数和(自身を含む): 32591919360

約数和(自身を除く): 12585940887

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 277, 299, 831, 897, 2493, 2691, 3601, 6371, 10803, 19113, 26839, 32409, 57339, 80517, 82823, 241551, 248469, 348907, 617297, 745407, 1046721, 1851891, 3140163, 5555673, 7434403, 8024861, 22303209, 24074583, 66909627, 72223749, 96647239, 170991269, 289941717, 512973807, 869825151, 1538921421, 2222886497, 6668659491, 20005978473]

約数ペア:

[(1, 20005978473), (3, 6668659491), (9, 2222886497), (13, 1538921421), (23, 869825151), (39, 512973807), (69, 289941717), (117, 170991269), (207, 96647239), (277, 72223749), (299, 66909627), (831, 24074583), (897, 22303209), (2493, 8024861), (2691, 7434403), (3601, 5555673), (6371, 3140163), (10803, 1851891), (19113, 1046721), (26839, 745407), (32409, 617297), (57339, 348907), (80517, 248469), (82823, 241551)]