20077518721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1\times {\mathrm{823}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 23093779968

約数和(自身を除く): 3016261247

約数列:

[1, 13, 17, 167, 221, 661, 823, 2171, 2839, 8593, 10699, 11237, 13991, 36907, 110387, 137441, 146081, 181883, 544003, 1435031, 1786733, 1876579, 2336497, 7072039, 9248051, 24395527, 30374461, 90848501, 120224663, 1181030513, 1544424517, 20077518721]

約数ペア:

[(1, 20077518721), (13, 1544424517), (17, 1181030513), (167, 120224663), (221, 90848501), (661, 30374461), (823, 24395527), (2171, 9248051), (2839, 7072039), (8593, 2336497), (10699, 1876579), (11237, 1786733), (13991, 1435031), (36907, 544003), (110387, 181883), (137441, 146081)]