20672078

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 37863936

約数和(自身を除く): 17191858

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 322, 602, 989, 1493, 1978, 2986, 6923, 10451, 13846, 20902, 34339, 64199, 68678, 128398, 240373, 449393, 480746, 898786, 1476577, 2953154, 10336039, 20672078]

約数ペア:

[(1, 20672078), (2, 10336039), (7, 2953154), (14, 1476577), (23, 898786), (43, 480746), (46, 449393), (86, 240373), (161, 128398), (301, 68678), (322, 64199), (602, 34339), (989, 20902), (1493, 13846), (1978, 10451), (2986, 6923)]