19727575

素因数分解:

$5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 28192640

約数和(自身を除く): 8465065

約数列:

[1, 5, 7, 25, 35, 139, 175, 695, 811, 973, 3475, 4055, 4865, 5677, 20275, 24325, 28385, 112729, 141925, 563645, 789103, 2818225, 3945515, 19727575]

約数ペア:

[(1, 19727575), (5, 3945515), (7, 2818225), (25, 789103), (35, 563645), (139, 141925), (175, 112729), (695, 28385), (811, 24325), (973, 20275), (3475, 5677), (4055, 4865)]