20438169

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1039}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 27955200

約数和(自身を除く): 7517031

約数列:

[1, 3, 79, 83, 237, 249, 1039, 3117, 6557, 19671, 82081, 86237, 246243, 258711, 6812723, 20438169]

約数ペア:

[(1, 20438169), (3, 6812723), (79, 258711), (83, 246243), (237, 86237), (249, 82081), (1039, 19671), (3117, 6557)]