20452990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43517}}^1$

素因数の和:43571

約数の個数: 16

約数和(自身を含む): 37599552

約数和(自身を除く): 17146562

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 43517, 87034, 217585, 435170, 2045299, 4090598, 10226495, 20452990]

約数ペア:

[(1, 20452990), (2, 10226495), (5, 4090598), (10, 2045299), (47, 435170), (94, 217585), (235, 87034), (470, 43517)]