20327307

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{967}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 37078272

約数和(自身を除く): 16750965

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 967, 1001, 1617, 1911, 2901, 3003, 6769, 7007, 10637, 12571, 20307, 21021, 31911, 37713, 47383, 74459, 87997, 138281, 142149, 223377, 263991, 414843, 521213, 615979, 967967, 1563639, 1847937, 2903901, 6775769, 20327307]

約数ペア:

[(1, 20327307), (3, 6775769), (7, 2903901), (11, 1847937), (13, 1563639), (21, 967967), (33, 615979), (39, 521213), (49, 414843), (77, 263991), (91, 223377), (143, 142149), (147, 138281), (231, 87997), (273, 74459), (429, 47383), (539, 37713), (637, 31911), (967, 21021), (1001, 20307), (1617, 12571), (1911, 10637), (2901, 7007), (3003, 6769)]