20174540

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1811}}^1$

素因数の和:2377

約数の個数: 24

約数和(自身を含む): 42466032

約数和(自身を除く): 22291492

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1811, 2228, 2785, 3622, 5570, 7244, 9055, 11140, 18110, 36220, 1008727, 2017454, 4034908, 5043635, 10087270, 20174540]

約数ペア:

[(1, 20174540), (2, 10087270), (4, 5043635), (5, 4034908), (10, 2017454), (20, 1008727), (557, 36220), (1114, 18110), (1811, 11140), (2228, 9055), (2785, 7244), (3622, 5570)]