420174928

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{206779}}^1$

素因数の和:206914

約数の個数: 20

約数和(自身を含む): 820503040

約数和(自身を除く): 400328112

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 206779, 413558, 827116, 1654232, 3308464, 26260933, 52521866, 105043732, 210087464, 420174928]

約数ペア:

[(1, 420174928), (2, 210087464), (4, 105043732), (8, 52521866), (16, 26260933), (127, 3308464), (254, 1654232), (508, 827116), (1016, 413558), (2032, 206779)]