40920242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20899}}^1$

素因数の和:21001

約数の個数: 16

約数和(自身を含む): 67716000

約数和(自身を除く): 26795758

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 20899, 41798, 229889, 459778, 1860011, 3720022, 20460121, 40920242]

約数ペア:

[(1, 40920242), (2, 20460121), (11, 3720022), (22, 1860011), (89, 459778), (178, 229889), (979, 41798), (1958, 20899)]