20166447

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18119}}^1$

素因数の和:18182

約数の個数: 16

約数和(自身を含む): 31311360

約数和(自身を除く): 11144913

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18119, 54357, 126833, 380499, 960307, 2880921, 6722149, 20166447]

約数ペア:

[(1, 20166447), (3, 6722149), (7, 2880921), (21, 960307), (53, 380499), (159, 126833), (371, 54357), (1113, 18119)]