20057949

素因数分解:

$3^5\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 30270240

約数和(自身を除く): 10212291

約数列:

[1, 3, 9, 27, 81, 197, 243, 419, 591, 1257, 1773, 3771, 5319, 11313, 15957, 33939, 47871, 82543, 101817, 247629, 742887, 2228661, 6685983, 20057949]

約数ペア:

[(1, 20057949), (3, 6685983), (9, 2228661), (27, 742887), (81, 247629), (197, 101817), (243, 82543), (419, 47871), (591, 33939), (1257, 15957), (1773, 11313), (3771, 5319)]