20877224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153509}}^1$

素因数の和:153532

約数の個数: 16

約数和(自身を含む): 41447700

約数和(自身を除く): 20570476

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153509, 307018, 614036, 1228072, 2609653, 5219306, 10438612, 20877224]

約数ペア:

[(1, 20877224), (2, 10438612), (4, 5219306), (8, 2609653), (17, 1228072), (34, 614036), (68, 307018), (136, 153509)]