20049236

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 35997696

約数和(自身を除く): 15948460

約数列:

[1, 2, 4, 61, 122, 127, 244, 254, 508, 647, 1294, 2588, 7747, 15494, 30988, 39467, 78934, 82169, 157868, 164338, 328676, 5012309, 10024618, 20049236]

約数ペア:

[(1, 20049236), (2, 10024618), (4, 5012309), (61, 328676), (122, 164338), (127, 157868), (244, 82169), (254, 78934), (508, 39467), (647, 30988), (1294, 15494), (2588, 7747)]