20647272

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{20983}}^1$

素因数の和:21033

約数の個数: 32

約数和(自身を含む): 52879680

約数和(自身を除く): 32232408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 20983, 41966, 62949, 83932, 125898, 167864, 251796, 503592, 860303, 1720606, 2580909, 3441212, 5161818, 6882424, 10323636, 20647272]

約数ペア:

[(1, 20647272), (2, 10323636), (3, 6882424), (4, 5161818), (6, 3441212), (8, 2580909), (12, 1720606), (24, 860303), (41, 503592), (82, 251796), (123, 167864), (164, 125898), (246, 83932), (328, 62949), (492, 41966), (984, 20983)]