20822949

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3089}}^1$

素因数の和:3209

約数の個数: 24

約数和(自身を含む): 34706880

約数和(自身を除く): 13883931

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 3089, 6741, 9267, 21623, 27801, 64869, 194607, 330523, 991569, 2313661, 2974707, 6940983, 20822949]

約数ペア:

[(1, 20822949), (3, 6940983), (7, 2974707), (9, 2313661), (21, 991569), (63, 330523), (107, 194607), (321, 64869), (749, 27801), (963, 21623), (2247, 9267), (3089, 6741)]