20175194823

素因数分解:

$3^1\times 7^1\times {\mathrm{20023}}^1\times {\mathrm{47981}}^1$

素因数の和:68014

約数の個数: 16

約数和(自身を含む): 30745330176

約数和(自身を除く): 10570135353

約数列:

[1, 3, 7, 21, 20023, 47981, 60069, 140161, 143943, 335867, 420483, 1007601, 960723563, 2882170689, 6725064941, 20175194823]

約数ペア:

[(1, 20175194823), (3, 6725064941), (7, 2882170689), (21, 960723563), (20023, 1007601), (47981, 420483), (60069, 335867), (140161, 143943)]