20662138

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11621}}^1$

素因数の和:11757

約数の個数: 16

約数和(自身を含む): 35702784

約数和(自身を除く): 15040646

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 11621, 23242, 81347, 162694, 1475867, 2951734, 10331069, 20662138]

約数ペア:

[(1, 20662138), (2, 10331069), (7, 2951734), (14, 1475867), (127, 162694), (254, 81347), (889, 23242), (1778, 11621)]