1720403780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{803927}}^1$

素因数の和:804043

約数の個数: 24

約数和(自身を含む): 3646617408

約数和(自身を除く): 1926213628

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 803927, 1607854, 3215708, 4019635, 8039270, 16078540, 86020189, 172040378, 344080756, 430100945, 860201890, 1720403780]

約数ペア:

[(1, 1720403780), (2, 860201890), (4, 430100945), (5, 344080756), (10, 172040378), (20, 86020189), (107, 16078540), (214, 8039270), (428, 4019635), (535, 3215708), (1070, 1607854), (2140, 803927)]