20168533

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2543}}^1$

素因数の和:2664

約数の個数: 16

約数和(自身を含む): 25399296

約数和(自身を除く): 5230763

約数列:

[1, 7, 11, 77, 103, 721, 1133, 2543, 7931, 17801, 27973, 195811, 261929, 1833503, 2881219, 20168533]

約数ペア:

[(1, 20168533), (7, 2881219), (11, 1833503), (77, 261929), (103, 195811), (721, 27973), (1133, 17801), (2543, 7931)]