20019483

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 34444800

約数和(自身を除く): 14425317

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 171, 209, 261, 319, 367, 551, 627, 957, 1101, 1653, 1881, 2871, 3303, 4037, 4959, 6061, 6973, 10643, 12111, 18183, 20919, 31929, 36333, 54549, 62757, 76703, 95787, 117073, 202217, 230109, 351219, 606651, 690327, 1053657, 1819953, 2224387, 6673161, 20019483]

約数ペア:

[(1, 20019483), (3, 6673161), (9, 2224387), (11, 1819953), (19, 1053657), (29, 690327), (33, 606651), (57, 351219), (87, 230109), (99, 202217), (171, 117073), (209, 95787), (261, 76703), (319, 62757), (367, 54549), (551, 36333), (627, 31929), (957, 20919), (1101, 18183), (1653, 12111), (1881, 10643), (2871, 6973), (3303, 6061), (4037, 4959)]