20984104

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20023}}^1$

素因数の和:20160

約数の個数: 16

約数和(自身を含む): 39647520

約数和(自身を除く): 18663416

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20023, 40046, 80092, 160184, 2623013, 5246026, 10492052, 20984104]

約数ペア:

[(1, 20984104), (2, 10492052), (4, 5246026), (8, 2623013), (131, 160184), (262, 80092), (524, 40046), (1048, 20023)]