20797029305

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1091}}^1\times {\mathrm{1327}}^1$

素因数の和:2466

約数の個数: 48

約数和(自身を含む): 28661278464

約数和(自身を除く): 7864249159

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1091, 1105, 1327, 2873, 5455, 6635, 14183, 14365, 17251, 18547, 22559, 70915, 86255, 92735, 112795, 184379, 224263, 241111, 293267, 921895, 1121315, 1205555, 1447757, 1466335, 3134443, 3812471, 7238785, 15672215, 18820841, 19062355, 24611869, 94104205, 123059345, 244670933, 319954297, 1223354665, 1599771485, 4159405861, 20797029305]

約数ペア:

[(1, 20797029305), (5, 4159405861), (13, 1599771485), (17, 1223354665), (65, 319954297), (85, 244670933), (169, 123059345), (221, 94104205), (845, 24611869), (1091, 19062355), (1105, 18820841), (1327, 15672215), (2873, 7238785), (5455, 3812471), (6635, 3134443), (14183, 1466335), (14365, 1447757), (17251, 1205555), (18547, 1121315), (22559, 921895), (70915, 293267), (86255, 241111), (92735, 224263), (112795, 184379)]