20170670864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{343787}}^1$

素因数の和:344007

約数の個数: 40

約数和(自身を含む): 41350820640

約数和(自身を除く): 21180149776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 193, 304, 386, 772, 1544, 3088, 3667, 7334, 14668, 29336, 58672, 343787, 687574, 1375148, 2750296, 5500592, 6531953, 13063906, 26127812, 52255624, 66350891, 104511248, 132701782, 265403564, 530807128, 1061614256, 1260666929, 2521333858, 5042667716, 10085335432, 20170670864]

約数ペア:

[(1, 20170670864), (2, 10085335432), (4, 5042667716), (8, 2521333858), (16, 1260666929), (19, 1061614256), (38, 530807128), (76, 265403564), (152, 132701782), (193, 104511248), (304, 66350891), (386, 52255624), (772, 26127812), (1544, 13063906), (3088, 6531953), (3667, 5500592), (7334, 2750296), (14668, 1375148), (29336, 687574), (58672, 343787)]