20293281

素因数分解:

$3^3\times {\mathrm{653}}^1\times {\mathrm{1151}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 30136320

約数和(自身を除く): 9843039

約数列:

[1, 3, 9, 27, 653, 1151, 1959, 3453, 5877, 10359, 17631, 31077, 751603, 2254809, 6764427, 20293281]

約数ペア:

[(1, 20293281), (3, 6764427), (9, 2254809), (27, 751603), (653, 31077), (1151, 17631), (1959, 10359), (3453, 5877)]