20149647

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14321}}^1$

素因数の和:14398

約数の個数: 16

約数和(自身を含む): 31164672

約数和(自身を除く): 11015025

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14321, 42963, 100247, 300741, 959507, 2878521, 6716549, 20149647]

約数ペア:

[(1, 20149647), (3, 6716549), (7, 2878521), (21, 959507), (67, 300741), (201, 100247), (469, 42963), (1407, 14321)]