20651559986

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^2\times {\mathrm{7321}}^1$

素因数の和:7674

約数の個数: 24

約数和(自身を含む): 31633544124

約数和(自身を除く): 10981984138

約数列:

[1, 2, 73, 139, 146, 278, 7321, 10147, 14642, 19321, 20294, 38642, 534433, 1017619, 1068866, 1410433, 2035238, 2820866, 74286187, 141449041, 148572374, 282898082, 10325779993, 20651559986]

約数ペア:

[(1, 20651559986), (2, 10325779993), (73, 282898082), (139, 148572374), (146, 141449041), (278, 74286187), (7321, 2820866), (10147, 2035238), (14642, 1410433), (19321, 1068866), (20294, 1017619), (38642, 534433)]