20857194

素因数分解:

$2^1\times 3^2\times {\mathrm{661}}^1\times {\mathrm{1753}}^1$

素因数の和:2422

約数の個数: 24

約数和(自身を含む): 45284772

約数和(自身を除く): 24427578

約数列:

[1, 2, 3, 6, 9, 18, 661, 1322, 1753, 1983, 3506, 3966, 5259, 5949, 10518, 11898, 15777, 31554, 1158733, 2317466, 3476199, 6952398, 10428597, 20857194]

約数ペア:

[(1, 20857194), (2, 10428597), (3, 6952398), (6, 3476199), (9, 2317466), (18, 1158733), (661, 31554), (1322, 15777), (1753, 11898), (1983, 10518), (3506, 5949), (3966, 5259)]