20128626

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1493}}^1$

素因数の和:1615

約数の個数: 48

約数和(自身を含む): 50341824

約数和(自身を除く): 30213198

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1493, 1498, 1926, 2247, 2986, 4479, 4494, 6741, 8958, 10451, 13437, 13482, 20902, 26874, 31353, 62706, 94059, 159751, 188118, 319502, 479253, 958506, 1118257, 1437759, 2236514, 2875518, 3354771, 6709542, 10064313, 20128626]

約数ペア:

[(1, 20128626), (2, 10064313), (3, 6709542), (6, 3354771), (7, 2875518), (9, 2236514), (14, 1437759), (18, 1118257), (21, 958506), (42, 479253), (63, 319502), (107, 188118), (126, 159751), (214, 94059), (321, 62706), (642, 31353), (749, 26874), (963, 20902), (1493, 13482), (1498, 13437), (1926, 10451), (2247, 8958), (2986, 6741), (4479, 4494)]