20199671661

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1\times {\mathrm{319519}}^1$

素因数の和:321156

約数の個数: 16

約数和(自身を含む): 29022640640

約数和(自身を除く): 8822968979

約数列:

[1, 3, 13, 39, 1621, 4863, 21073, 63219, 319519, 958557, 4153747, 12461241, 517940299, 1553820897, 6733223887, 20199671661]

約数ペア:

[(1, 20199671661), (3, 6733223887), (13, 1553820897), (39, 517940299), (1621, 12461241), (4863, 4153747), (21073, 958557), (63219, 319519)]