20290209

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1873}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 28424832

約数和(自身を除く): 8134623

約数列:

[1, 3, 23, 69, 157, 471, 1873, 3611, 5619, 10833, 43079, 129237, 294061, 882183, 6763403, 20290209]

約数ペア:

[(1, 20290209), (3, 6763403), (23, 882183), (69, 294061), (157, 129237), (471, 43079), (1873, 10833), (3611, 5619)]