20147193

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11971}}^1$

素因数の和:12005

約数の個数: 24

約数和(自身を含む): 33617376

約数和(自身を除く): 13470183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 11971, 35913, 107739, 131681, 203507, 395043, 610521, 1185129, 1831563, 2238577, 6715731, 20147193]

約数ペア:

[(1, 20147193), (3, 6715731), (9, 2238577), (11, 1831563), (17, 1185129), (33, 610521), (51, 395043), (99, 203507), (153, 131681), (187, 107739), (561, 35913), (1683, 11971)]