20806288

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{6163}}^1$

素因数の和:6382

約数の個数: 20

約数和(自身を含む): 40509808

約数和(自身を除く): 19703520

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 6163, 12326, 24652, 49304, 98608, 1300393, 2600786, 5201572, 10403144, 20806288]

約数ペア:

[(1, 20806288), (2, 10403144), (4, 5201572), (8, 2600786), (16, 1300393), (211, 98608), (422, 49304), (844, 24652), (1688, 12326), (3376, 6163)]