20149271989

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{123259}}^1$

素因数の和:123481

約数の個数: 24

約数和(自身を含む): 25442836160

約数和(自身を除く): 5293564171

約数列:

[1, 7, 11, 77, 121, 193, 847, 1351, 2123, 14861, 23353, 123259, 163471, 862813, 1355849, 9490943, 14914339, 23788987, 104400373, 166522909, 261678857, 1831751999, 2878467427, 20149271989]

約数ペア:

[(1, 20149271989), (7, 2878467427), (11, 1831751999), (77, 261678857), (121, 166522909), (193, 104400373), (847, 23788987), (1351, 14914339), (2123, 9490943), (14861, 1355849), (23353, 862813), (123259, 163471)]