20971528

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20011}}^1$

素因数の和:20148

約数の個数: 16

約数和(自身を含む): 39623760

約数和(自身を除く): 18652232

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20011, 40022, 80044, 160088, 2621441, 5242882, 10485764, 20971528]

約数ペア:

[(1, 20971528), (2, 10485764), (4, 5242882), (8, 2621441), (131, 160088), (262, 80044), (524, 40022), (1048, 20011)]