20856880024

素因数分解:

$2^3\times {\mathrm{8861}}^1\times {\mathrm{294223}}^1$

素因数の和:303090

約数の個数: 16

約数和(自身を含む): 39111196320

約数和(自身を除く): 18254316296

約数列:

[1, 2, 4, 8, 8861, 17722, 35444, 70888, 294223, 588446, 1176892, 2353784, 2607110003, 5214220006, 10428440012, 20856880024]

約数ペア:

[(1, 20856880024), (2, 10428440012), (4, 5214220006), (8, 2607110003), (8861, 2353784), (17722, 1176892), (35444, 588446), (70888, 294223)]