20395802

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 36916992

約数和(自身を除く): 16521190

約数列:

[1, 2, 7, 14, 23, 46, 97, 161, 194, 322, 653, 679, 1306, 1358, 2231, 4462, 4571, 9142, 15019, 15617, 30038, 31234, 63341, 105133, 126682, 210266, 443387, 886774, 1456843, 2913686, 10197901, 20395802]

約数ペア:

[(1, 20395802), (2, 10197901), (7, 2913686), (14, 1456843), (23, 886774), (46, 443387), (97, 210266), (161, 126682), (194, 105133), (322, 63341), (653, 31234), (679, 30038), (1306, 15617), (1358, 15019), (2231, 9142), (4462, 4571)]