20447254

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1019}}^1$

素因数の和:1227

約数の個数: 16

約数和(自身を含む): 31334400

約数和(自身を除く): 10887146

約数列:

[1, 2, 79, 127, 158, 254, 1019, 2038, 10033, 20066, 80501, 129413, 161002, 258826, 10223627, 20447254]

約数ペア:

[(1, 20447254), (2, 10223627), (79, 258826), (127, 161002), (158, 129413), (254, 80501), (1019, 20066), (2038, 10033)]