20983128

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8171}}^1$

素因数の和:8287

約数の個数: 32

約数和(自身を含む): 52954560

約数和(自身を除く): 31971432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8171, 16342, 24513, 32684, 49026, 65368, 98052, 196104, 874297, 1748594, 2622891, 3497188, 5245782, 6994376, 10491564, 20983128]

約数ペア:

[(1, 20983128), (2, 10491564), (3, 6994376), (4, 5245782), (6, 3497188), (8, 2622891), (12, 1748594), (24, 874297), (107, 196104), (214, 98052), (321, 65368), (428, 49026), (642, 32684), (856, 24513), (1284, 16342), (2568, 8171)]