20186944865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1\times {\mathrm{21557}}^1$

素因数の和:22081

約数の個数: 32

約数和(自身を含む): 26821601280

約数和(自身を除く): 6634656415

約数列:

[1, 5, 17, 23, 85, 115, 391, 479, 1955, 2395, 8143, 11017, 21557, 40715, 55085, 107785, 187289, 366469, 495811, 936445, 1832345, 2479055, 8428787, 10325803, 42143935, 51629015, 175538651, 237493469, 877693255, 1187467345, 4037388973, 20186944865]

約数ペア:

[(1, 20186944865), (5, 4037388973), (17, 1187467345), (23, 877693255), (85, 237493469), (115, 175538651), (391, 51629015), (479, 42143935), (1955, 10325803), (2395, 8428787), (8143, 2479055), (11017, 1832345), (21557, 936445), (40715, 495811), (55085, 366469), (107785, 187289)]