20195584

素因数分解:

$2^8\times {\mathrm{78889}}^1$

素因数の和:78905

約数の個数: 18

約数和(自身を含む): 40312790

約数和(自身を除く): 20117206

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78889, 157778, 315556, 631112, 1262224, 2524448, 5048896, 10097792, 20195584]

約数ペア:

[(1, 20195584), (2, 10097792), (4, 5048896), (8, 2524448), (16, 1262224), (32, 631112), (64, 315556), (128, 157778), (256, 78889)]