20193659521

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{315521}}^1$

素因数の和:315792

約数の個数: 16

約数和(自身を含む): 23747447808

約数和(自身を除く): 3553788287

約数列:

[1, 7, 41, 223, 287, 1561, 9143, 64001, 315521, 2208647, 12936361, 70361183, 90554527, 492528281, 2884808503, 20193659521]

約数ペア:

[(1, 20193659521), (7, 2884808503), (41, 492528281), (223, 90554527), (287, 70361183), (1561, 12936361), (9143, 2208647), (64001, 315521)]