20161129205

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{180179}}^1$

素因数の和:180353

約数の個数: 32

約数和(自身を含む): 29059430400

約数和(自身を除く): 8898301195

約数列:

[1, 5, 7, 23, 35, 115, 139, 161, 695, 805, 973, 3197, 4865, 15985, 22379, 111895, 180179, 900895, 1261253, 4144117, 6306265, 20720585, 25044881, 29008819, 125224405, 145044095, 175314167, 576032263, 876570835, 2880161315, 4032225841, 20161129205]

約数ペア:

[(1, 20161129205), (5, 4032225841), (7, 2880161315), (23, 876570835), (35, 576032263), (115, 175314167), (139, 145044095), (161, 125224405), (695, 29008819), (805, 25044881), (973, 20720585), (3197, 6306265), (4865, 4144117), (15985, 1261253), (22379, 900895), (111895, 180179)]