20733188

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4091}}^1$

素因数の和:4283

約数の個数: 24

約数和(自身を含む): 41705664

約数和(自身を除く): 20972476

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 4091, 5068, 8182, 16364, 28637, 57274, 114548, 740471, 1480942, 2961884, 5183297, 10366594, 20733188]

約数ペア:

[(1, 20733188), (2, 10366594), (4, 5183297), (7, 2961884), (14, 1480942), (28, 740471), (181, 114548), (362, 57274), (724, 28637), (1267, 16364), (2534, 8182), (4091, 5068)]