20443942

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4517}}^1$

素因数の和:4623

約数の個数: 16

約数和(自身を含む): 32095872

約数和(自身を除く): 11651930

約数列:

[1, 2, 31, 62, 73, 146, 2263, 4517, 4526, 9034, 140027, 280054, 329741, 659482, 10221971, 20443942]

約数ペア:

[(1, 20443942), (2, 10221971), (31, 659482), (62, 329741), (73, 280054), (146, 140027), (2263, 9034), (4517, 4526)]