20121986727

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1041349}}^1$

素因数の和:1041487

約数の個数: 24

約数和(自身を含む): 30865614000

約数和(自身を除く): 10743627273

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 2147, 6441, 19323, 1041349, 3124047, 9372141, 19785631, 59356893, 117672437, 178070679, 353017311, 1059051933, 2235776303, 6707328909, 20121986727]

約数ペア:

[(1, 20121986727), (3, 6707328909), (9, 2235776303), (19, 1059051933), (57, 353017311), (113, 178070679), (171, 117672437), (339, 59356893), (1017, 19785631), (2147, 9372141), (6441, 3124047), (19323, 1041349)]