20464713

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 30326400

約数和(自身を除く): 9861687

約数列:

[1, 3, 9, 79, 107, 237, 269, 321, 711, 807, 963, 2421, 8453, 21251, 25359, 28783, 63753, 76077, 86349, 191259, 259047, 2273857, 6821571, 20464713]

約数ペア:

[(1, 20464713), (3, 6821571), (9, 2273857), (79, 259047), (107, 191259), (237, 86349), (269, 76077), (321, 63753), (711, 28783), (807, 25359), (963, 21251), (2421, 8453)]