20920336

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76913}}^1$

素因数の和:76938

約数の個数: 20

約数和(自身を含む): 42918012

約数和(自身を除く): 21997676

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76913, 153826, 307652, 615304, 1230608, 1307521, 2615042, 5230084, 10460168, 20920336]

約数ペア:

[(1, 20920336), (2, 10460168), (4, 5230084), (8, 2615042), (16, 1307521), (17, 1230608), (34, 615304), (68, 307652), (136, 153826), (272, 76913)]