20045394243

素因数分解:

$3^4\times 7^1\times {\mathrm{35353429}}^1$

素因数の和:35353448

約数の個数: 20

約数和(自身を含む): 34222120240

約数和(自身を除く): 14176725997

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35353429, 106060287, 247474003, 318180861, 742422009, 954542583, 2227266027, 2863627749, 6681798081, 20045394243]

約数ペア:

[(1, 20045394243), (3, 6681798081), (7, 2863627749), (9, 2227266027), (21, 954542583), (27, 742422009), (63, 318180861), (81, 247474003), (189, 106060287), (567, 35353429)]