20177887745

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1\times {\mathrm{74923}}^1$

素因数の和:75872

約数の個数: 16

約数和(自身を含む): 24638607552

約数和(自身を除く): 4460719807

約数列:

[1, 5, 61, 305, 883, 4415, 53863, 74923, 269315, 374615, 4570303, 22851515, 66157009, 330785045, 4035577549, 20177887745]

約数ペア:

[(1, 20177887745), (5, 4035577549), (61, 330785045), (305, 66157009), (883, 22851515), (4415, 4570303), (53863, 374615), (74923, 269315)]