20496667009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{15259}}^1$

素因数の和:15817

約数の個数: 32

約数和(自身を含む): 26149536000

約数和(自身を除く): 5652868991

約数列:

[1, 7, 13, 29, 91, 203, 377, 509, 2639, 3563, 6617, 14761, 15259, 46319, 103327, 106813, 191893, 198367, 442511, 1343251, 1388569, 3097577, 5752643, 7766831, 40268501, 54367817, 100968803, 225238099, 706781621, 1576666693, 2928095287, 20496667009]

約数ペア:

[(1, 20496667009), (7, 2928095287), (13, 1576666693), (29, 706781621), (91, 225238099), (203, 100968803), (377, 54367817), (509, 40268501), (2639, 7766831), (3563, 5752643), (6617, 3097577), (14761, 1388569), (15259, 1343251), (46319, 442511), (103327, 198367), (106813, 191893)]