20308839

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 28879872

約数和(自身を除く): 8571033

約数列:

[1, 3, 23, 67, 69, 191, 201, 529, 573, 1541, 1587, 4393, 4623, 12797, 13179, 35443, 38391, 101039, 106329, 294331, 303117, 882993, 6769613, 20308839]

約数ペア:

[(1, 20308839), (3, 6769613), (23, 882993), (67, 303117), (69, 294331), (191, 106329), (201, 101039), (529, 38391), (573, 35443), (1541, 13179), (1587, 12797), (4393, 4623)]