20475344

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75277}}^1$

素因数の和:75302

約数の個数: 20

約数和(自身を含む): 42005124

約数和(自身を除く): 21529780

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75277, 150554, 301108, 602216, 1204432, 1279709, 2559418, 5118836, 10237672, 20475344]

約数ペア:

[(1, 20475344), (2, 10237672), (4, 5118836), (8, 2559418), (16, 1279709), (17, 1204432), (34, 602216), (68, 301108), (136, 150554), (272, 75277)]