20449328

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7841}}^1$

素因数の和:8012

約数の個数: 20

約数和(自身を含む): 39868728

約数和(自身を除く): 19419400

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7841, 15682, 31364, 62728, 125456, 1278083, 2556166, 5112332, 10224664, 20449328]

約数ペア:

[(1, 20449328), (2, 10224664), (4, 5112332), (8, 2556166), (16, 1278083), (163, 125456), (326, 62728), (652, 31364), (1304, 15682), (2608, 7841)]