20884158

素因数分解:

$2^1\times 3^2\times {\mathrm{557}}^1\times {\mathrm{2083}}^1$

素因数の和:2648

約数の個数: 24

約数和(自身を含む): 45352008

約数和(自身を除く): 24467850

約数列:

[1, 2, 3, 6, 9, 18, 557, 1114, 1671, 2083, 3342, 4166, 5013, 6249, 10026, 12498, 18747, 37494, 1160231, 2320462, 3480693, 6961386, 10442079, 20884158]

約数ペア:

[(1, 20884158), (2, 10442079), (3, 6961386), (6, 3480693), (9, 2320462), (18, 1160231), (557, 37494), (1114, 18747), (1671, 12498), (2083, 10026), (3342, 6249), (4166, 5013)]