20310843

素因数分解:

$3^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{593}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 31691088

約数和(自身を除く): 11380245

約数列:

[1, 3, 7, 21, 49, 147, 233, 593, 699, 1631, 1779, 4151, 4893, 11417, 12453, 29057, 34251, 87171, 138169, 414507, 967183, 2901549, 6770281, 20310843]

約数ペア:

[(1, 20310843), (3, 6770281), (7, 2901549), (21, 967183), (49, 414507), (147, 138169), (233, 87171), (593, 34251), (699, 29057), (1631, 12453), (1779, 11417), (4151, 4893)]