20897406

素因数分解:

$2^1\times 3^3\times {\mathrm{386989}}^1$

素因数の和:387000

約数の個数: 16

約数和(自身を含む): 46438800

約数和(自身を除く): 25541394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 386989, 773978, 1160967, 2321934, 3482901, 6965802, 10448703, 20897406]

約数ペア:

[(1, 20897406), (2, 10448703), (3, 6965802), (6, 3482901), (9, 2321934), (18, 1160967), (27, 773978), (54, 386989)]