20380369

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 22608000

約数和(自身を除く): 2227631

約数列:

[1, 19, 23, 149, 313, 437, 2831, 3427, 5947, 7199, 46637, 65113, 136781, 886103, 1072651, 20380369]

約数ペア:

[(1, 20380369), (19, 1072651), (23, 886103), (149, 136781), (313, 65113), (437, 46637), (2831, 7199), (3427, 5947)]