20857234

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{5021}}^1$

素因数の和:5121

約数の個数: 16

約数和(自身を含む): 32783616

約数和(自身を除く): 11926382

約数列:

[1, 2, 31, 62, 67, 134, 2077, 4154, 5021, 10042, 155651, 311302, 336407, 672814, 10428617, 20857234]

約数ペア:

[(1, 20857234), (2, 10428617), (31, 672814), (62, 336407), (67, 311302), (134, 155651), (2077, 10042), (4154, 5021)]