20992797

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3583}}^1$

素因数の和:3630

約数の個数: 32

約数和(自身を含む): 36700160

約数和(自身を除く): 15707363

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3583, 5859, 10749, 25081, 32247, 75243, 96741, 111073, 225729, 333219, 677187, 777511, 999657, 2332533, 2998971, 6997599, 20992797]

約数ペア:

[(1, 20992797), (3, 6997599), (7, 2998971), (9, 2332533), (21, 999657), (27, 777511), (31, 677187), (63, 333219), (93, 225729), (189, 111073), (217, 96741), (279, 75243), (651, 32247), (837, 25081), (1953, 10749), (3583, 5859)]