20006870403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1649507}}^1$

素因数の和:1649834

約数の個数: 16

約数和(自身を含む): 28820203776

約数和(自身を除く): 8813333373

約数列:

[1, 3, 13, 39, 311, 933, 4043, 12129, 1649507, 4948521, 21443591, 64330773, 512996677, 1538990031, 6668956801, 20006870403]

約数ペア:

[(1, 20006870403), (3, 6668956801), (13, 1538990031), (39, 512996677), (311, 64330773), (933, 21443591), (4043, 4948521), (12129, 1649507)]