20898566

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11321}}^1$

素因数の和:11407

約数の個数: 16

約数和(自身を含む): 34237728

約数和(自身を除く): 13339162

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11321, 22642, 147173, 294346, 803791, 1607582, 10449283, 20898566]

約数ペア:

[(1, 20898566), (2, 10449283), (13, 1607582), (26, 803791), (71, 294346), (142, 147173), (923, 22642), (1846, 11321)]