20922629

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12101}}^1$

素因数の和:12140

約数の個数: 16

約数和(自身を含む): 27108480

約数和(自身を除く): 6185851

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 12101, 84707, 157313, 229919, 1101191, 1609433, 2988947, 20922629]

約数ペア:

[(1, 20922629), (7, 2988947), (13, 1609433), (19, 1101191), (91, 229919), (133, 157313), (247, 84707), (1729, 12101)]