20172850

素因数分解:

$2^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{1289}}^1$

素因数の和:1614

約数の個数: 24

約数和(自身を含む): 37670580

約数和(自身を除く): 17497730

約数列:

[1, 2, 5, 10, 25, 50, 313, 626, 1289, 1565, 2578, 3130, 6445, 7825, 12890, 15650, 32225, 64450, 403457, 806914, 2017285, 4034570, 10086425, 20172850]

約数ペア:

[(1, 20172850), (2, 10086425), (5, 4034570), (10, 2017285), (25, 806914), (50, 403457), (313, 64450), (626, 32225), (1289, 15650), (1565, 12890), (2578, 7825), (3130, 6445)]