20121897798

素因数分解:

$2^1\times 3^3\times {\mathrm{811}}^1\times {\mathrm{459467}}^1$

素因数の和:460289

約数の個数: 32

約数和(自身を含む): 44770561920

約数和(自身を除く): 24648664122

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 811, 1622, 2433, 4866, 7299, 14598, 21897, 43794, 459467, 918934, 1378401, 2756802, 4135203, 8270406, 12405609, 24811218, 372627737, 745255474, 1117883211, 2235766422, 3353649633, 6707299266, 10060948899, 20121897798]

約数ペア:

[(1, 20121897798), (2, 10060948899), (3, 6707299266), (6, 3353649633), (9, 2235766422), (18, 1117883211), (27, 745255474), (54, 372627737), (811, 24811218), (1622, 12405609), (2433, 8270406), (4866, 4135203), (7299, 2756802), (14598, 1378401), (21897, 918934), (43794, 459467)]