20139154

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 15342446

約数列:

[1, 2, 7, 14, 79, 131, 139, 158, 262, 278, 553, 917, 973, 1106, 1834, 1946, 10349, 10981, 18209, 20698, 21962, 36418, 72443, 76867, 127463, 144886, 153734, 254926, 1438511, 2877022, 10069577, 20139154]

約数ペア:

[(1, 20139154), (2, 10069577), (7, 2877022), (14, 1438511), (79, 254926), (131, 153734), (139, 144886), (158, 127463), (262, 76867), (278, 72443), (553, 36418), (917, 21962), (973, 20698), (1106, 18209), (1834, 10981), (1946, 10349)]