20853424

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76667}}^1$

素因数の和:76692

約数の個数: 20

約数和(自身を含む): 42780744

約数和(自身を除く): 21927320

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76667, 153334, 306668, 613336, 1226672, 1303339, 2606678, 5213356, 10426712, 20853424]

約数ペア:

[(1, 20853424), (2, 10426712), (4, 5213356), (8, 2606678), (16, 1303339), (17, 1226672), (34, 613336), (68, 306668), (136, 153334), (272, 76667)]