20408736006

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15969277}}^1$

素因数の和:15969356

約数の個数: 24

約数和(自身を含む): 44841732624

約数和(自身を除く): 24432996618

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15969277, 31938554, 47907831, 95815662, 143723493, 287446986, 1133818667, 2267637334, 3401456001, 6802912002, 10204368003, 20408736006]

約数ペア:

[(1, 20408736006), (2, 10204368003), (3, 6802912002), (6, 3401456001), (9, 2267637334), (18, 1133818667), (71, 287446986), (142, 143723493), (213, 95815662), (426, 47907831), (639, 31938554), (1278, 15969277)]