20437072

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7057}}^1$

素因数の和:7246

約数の個数: 20

約数和(自身を含む): 39821236

約数和(自身を除く): 19384164

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7057, 14114, 28228, 56456, 112912, 1277317, 2554634, 5109268, 10218536, 20437072]

約数ペア:

[(1, 20437072), (2, 10218536), (4, 5109268), (8, 2554634), (16, 1277317), (181, 112912), (362, 56456), (724, 28228), (1448, 14114), (2896, 7057)]