31452020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18947}}^1$

素因数の和:19039

約数の個数: 24

約数和(自身を含む): 66848544

約数和(自身を除く): 35396524

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 18947, 37894, 75788, 94735, 189470, 378940, 1572601, 3145202, 6290404, 7863005, 15726010, 31452020]

約数ペア:

[(1, 31452020), (2, 15726010), (4, 7863005), (5, 6290404), (10, 3145202), (20, 1572601), (83, 378940), (166, 189470), (332, 94735), (415, 75788), (830, 37894), (1660, 18947)]