20468097

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13457}}^1$

素因数の和:13489

約数の個数: 18

約数和(自身を含む): 32016582

約数和(自身を除く): 11548485

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13457, 40371, 121113, 174941, 524823, 1574469, 2274233, 6822699, 20468097]

約数ペア:

[(1, 20468097), (3, 6822699), (9, 2274233), (13, 1574469), (39, 524823), (117, 174941), (169, 121113), (507, 40371), (1521, 13457)]