20291267

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 22118400

約数和(自身を除く): 1827133

約数列:

[1, 23, 31, 149, 191, 713, 3427, 4393, 4619, 5921, 28459, 106237, 136183, 654557, 882229, 20291267]

約数ペア:

[(1, 20291267), (23, 882229), (31, 654557), (149, 136183), (191, 106237), (713, 28459), (3427, 5921), (4393, 4619)]