20853939

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1747}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 29198592

約数和(自身を除く): 8344653

約数列:

[1, 3, 23, 69, 173, 519, 1747, 3979, 5241, 11937, 40181, 120543, 302231, 906693, 6951313, 20853939]

約数ペア:

[(1, 20853939), (3, 6951313), (23, 906693), (69, 302231), (173, 120543), (519, 40181), (1747, 11937), (3979, 5241)]