20827516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5779}}^1$

素因数の和:5853

約数の個数: 24

約数和(自身を含む): 39327120

約数和(自身を除く): 18499604

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 5779, 11558, 23116, 98243, 196486, 306287, 392972, 612574, 1225148, 5206879, 10413758, 20827516]

約数ペア:

[(1, 20827516), (2, 10413758), (4, 5206879), (17, 1225148), (34, 612574), (53, 392972), (68, 306287), (106, 196486), (212, 98243), (901, 23116), (1802, 11558), (3604, 5779)]