2020871307

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{238789}}^1$

素因数の和:238843

約数の個数: 32

約数和(自身を含む): 3423293440

約数和(自身を除く): 1402422133

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 238789, 716367, 1671523, 3104257, 5014569, 7402459, 9312771, 21729799, 22207377, 51817213, 65189397, 96231967, 155451639, 288695901, 673623769, 2020871307]

約数ペア:

[(1, 2020871307), (3, 673623769), (7, 288695901), (13, 155451639), (21, 96231967), (31, 65189397), (39, 51817213), (91, 22207377), (93, 21729799), (217, 9312771), (273, 7402459), (403, 5014569), (651, 3104257), (1209, 1671523), (2821, 716367), (8463, 238789)]