20246571

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 11894229

約数列:

[1, 3, 9, 19, 27, 57, 61, 171, 183, 513, 549, 647, 1159, 1647, 1941, 3477, 5823, 10431, 12293, 17469, 31293, 36879, 39467, 110637, 118401, 331911, 355203, 749873, 1065609, 2249619, 6748857, 20246571]

約数ペア:

[(1, 20246571), (3, 6748857), (9, 2249619), (19, 1065609), (27, 749873), (57, 355203), (61, 331911), (171, 118401), (183, 110637), (513, 39467), (549, 36879), (647, 31293), (1159, 17469), (1647, 12293), (1941, 10431), (3477, 5823)]