20199985429

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1447}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 23924875392

約数和(自身を除く): 3724889963

約数列:

[1, 13, 17, 43, 113, 169, 221, 559, 731, 1447, 1469, 1921, 2873, 4859, 7267, 9503, 18811, 19097, 24599, 24973, 62221, 63167, 82603, 123539, 163511, 244543, 319787, 324649, 808873, 821171, 1057757, 1073839, 2125643, 2779687, 4157231, 7030973, 10515349, 13750841, 13959907, 27633359, 36135931, 91402649, 119526541, 178760933, 469767103, 1188234437, 1553845033, 20199985429]

約数ペア:

[(1, 20199985429), (13, 1553845033), (17, 1188234437), (43, 469767103), (113, 178760933), (169, 119526541), (221, 91402649), (559, 36135931), (731, 27633359), (1447, 13959907), (1469, 13750841), (1921, 10515349), (2873, 7030973), (4859, 4157231), (7267, 2779687), (9503, 2125643), (18811, 1073839), (19097, 1057757), (24599, 821171), (24973, 808873), (62221, 324649), (63167, 319787), (82603, 244543), (123539, 163511)]