20406414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{929}}^1$

素因数の和:1464

約数の個数: 32

約数和(自身を含む): 46782720

約数和(自身を除く): 26376306

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 523, 929, 1046, 1569, 1858, 2787, 3138, 3661, 5574, 6503, 7322, 10983, 13006, 19509, 21966, 39018, 485867, 971734, 1457601, 2915202, 3401069, 6802138, 10203207, 20406414]

約数ペア:

[(1, 20406414), (2, 10203207), (3, 6802138), (6, 3401069), (7, 2915202), (14, 1457601), (21, 971734), (42, 485867), (523, 39018), (929, 21966), (1046, 19509), (1569, 13006), (1858, 10983), (2787, 7322), (3138, 6503), (3661, 5574)]