20207584197

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{11909}}^1\times {\mathrm{9923}}^1$

素因数の和:21857

約数の個数: 24

約数和(自身を含む): 30730658400

約数和(自身を除く): 10523074203

約数列:

[1, 3, 9, 19, 57, 171, 9923, 11909, 29769, 35727, 89307, 107181, 188537, 226271, 565611, 678813, 1696833, 2036439, 118173007, 354519021, 1063557063, 2245287133, 6735861399, 20207584197]

約数ペア:

[(1, 20207584197), (3, 6735861399), (9, 2245287133), (19, 1063557063), (57, 354519021), (171, 118173007), (9923, 2036439), (11909, 1696833), (29769, 678813), (35727, 565611), (89307, 226271), (107181, 188537)]