20178943384

素因数分解:

$2^3\times {\mathrm{1907}}^1\times {\mathrm{1322689}}^1$

素因数の和:1324602

約数の個数: 16

約数和(自身を含む): 37855387800

約数和(自身を除く): 17676444416

約数列:

[1, 2, 4, 8, 1907, 3814, 7628, 15256, 1322689, 2645378, 5290756, 10581512, 2522367923, 5044735846, 10089471692, 20178943384]

約数ペア:

[(1, 20178943384), (2, 10089471692), (4, 5044735846), (8, 2522367923), (1907, 10581512), (3814, 5290756), (7628, 2645378), (15256, 1322689)]