20512338723

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{1427}}^1\times {\mathrm{3391}}^1$

素因数の和:4984

約数の個数: 32

約数和(自身を含む): 30612664320

約数和(自身を除く): 10100325597

約数列:

[1, 3, 9, 27, 157, 471, 1413, 1427, 3391, 4239, 4281, 10173, 12843, 30519, 38529, 91557, 224039, 532387, 672117, 1597161, 2016351, 4791483, 4838957, 6049053, 14374449, 14516871, 43550613, 130651839, 759716249, 2279148747, 6837446241, 20512338723]

約数ペア:

[(1, 20512338723), (3, 6837446241), (9, 2279148747), (27, 759716249), (157, 130651839), (471, 43550613), (1413, 14516871), (1427, 14374449), (3391, 6049053), (4239, 4838957), (4281, 4791483), (10173, 2016351), (12843, 1597161), (30519, 672117), (38529, 532387), (91557, 224039)]