20161993735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{223637}}^1$

素因数の和:223747

約数の個数: 32

約数和(自身を含む): 27802676160

約数和(自身を除く): 7640682425

約数列:

[1, 5, 13, 19, 65, 73, 95, 247, 365, 949, 1235, 1387, 4745, 6935, 18031, 90155, 223637, 1118185, 2907281, 4249103, 14536405, 16325501, 21245515, 55238339, 81627505, 212231513, 276191695, 310184519, 1061157565, 1550922595, 4032398747, 20161993735]

約数ペア:

[(1, 20161993735), (5, 4032398747), (13, 1550922595), (19, 1061157565), (65, 310184519), (73, 276191695), (95, 212231513), (247, 81627505), (365, 55238339), (949, 21245515), (1235, 16325501), (1387, 14536405), (4745, 4249103), (6935, 2907281), (18031, 1118185), (90155, 223637)]