20413809

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3061}}^1$

素因数の和:3102

約数の個数: 32

約数和(自身を含む): 34294400

約数和(自身を除く): 13880591

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 3061, 6669, 9183, 27549, 39793, 58159, 82647, 119379, 174477, 358137, 523431, 756067, 1074411, 1570293, 2268201, 6804603, 20413809]

約数ペア:

[(1, 20413809), (3, 6804603), (9, 2268201), (13, 1570293), (19, 1074411), (27, 756067), (39, 523431), (57, 358137), (117, 174477), (171, 119379), (247, 82647), (351, 58159), (513, 39793), (741, 27549), (2223, 9183), (3061, 6669)]