20778853113

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{373}}^1\times {\mathrm{87179}}^1$

素因数の和:87629

約数の個数: 24

約数和(自身を含む): 30518579520

約数和(自身を除く): 9739726407

約数列:

[1, 3, 9, 71, 213, 373, 639, 1119, 3357, 26483, 79449, 87179, 238347, 261537, 784611, 6189709, 18569127, 32517767, 55707381, 97553301, 292659903, 2308761457, 6926284371, 20778853113]

約数ペア:

[(1, 20778853113), (3, 6926284371), (9, 2308761457), (71, 292659903), (213, 97553301), (373, 55707381), (639, 32517767), (1119, 18569127), (3357, 6189709), (26483, 784611), (79449, 261537), (87179, 238347)]