20549676879

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1\times {\mathrm{2521}}^1$

素因数の和:3272

約数の個数: 48

約数和(自身を含む): 31734225120

約数和(自身を除く): 11184548241

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 653, 657, 1387, 1959, 2521, 4161, 5877, 7563, 12407, 12483, 22689, 37221, 47669, 47899, 111663, 143007, 143697, 184033, 429021, 431091, 552099, 905711, 1646213, 1656297, 2717133, 3496627, 4938639, 8151399, 10489881, 14815917, 31278047, 31469643, 93834141, 120173549, 281502423, 360520647, 1081561941, 2283297431, 6849892293, 20549676879]

約数ペア:

[(1, 20549676879), (3, 6849892293), (9, 2283297431), (19, 1081561941), (57, 360520647), (73, 281502423), (171, 120173549), (219, 93834141), (653, 31469643), (657, 31278047), (1387, 14815917), (1959, 10489881), (2521, 8151399), (4161, 4938639), (5877, 3496627), (7563, 2717133), (12407, 1656297), (12483, 1646213), (22689, 905711), (37221, 552099), (47669, 431091), (47899, 429021), (111663, 184033), (143007, 143697)]