20542915

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 4858685

約数列:

[1, 5, 59, 83, 295, 415, 839, 4195, 4897, 24485, 49501, 69637, 247505, 348185, 4108583, 20542915]

約数ペア:

[(1, 20542915), (5, 4108583), (59, 348185), (83, 247505), (295, 69637), (415, 49501), (839, 24485), (4195, 4897)]