20153720907

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{1913}}^1\times {\mathrm{61609}}^1$

素因数の和:63547

約数の個数: 24

約数和(自身を含む): 30659600400

約数和(自身を除く): 10505879493

約数列:

[1, 3, 9, 19, 57, 171, 1913, 5739, 17217, 36347, 61609, 109041, 184827, 327123, 554481, 1170571, 3511713, 10535139, 117858017, 353574051, 1060722153, 2239302323, 6717906969, 20153720907]

約数ペア:

[(1, 20153720907), (3, 6717906969), (9, 2239302323), (19, 1060722153), (57, 353574051), (171, 117858017), (1913, 10535139), (5739, 3511713), (17217, 1170571), (36347, 554481), (61609, 327123), (109041, 184827)]