20630246

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 17689882

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 263, 431, 526, 862, 1841, 3017, 3419, 3682, 5603, 6034, 6838, 11206, 23933, 39221, 47866, 78442, 113353, 226706, 793471, 1473589, 1586942, 2947178, 10315123, 20630246]

約数ペア:

[(1, 20630246), (2, 10315123), (7, 2947178), (13, 1586942), (14, 1473589), (26, 793471), (91, 226706), (182, 113353), (263, 78442), (431, 47866), (526, 39221), (862, 23933), (1841, 11206), (3017, 6838), (3419, 6034), (3682, 5603)]