20189960516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{74527}}^1$

素因数の和:74720

約数の個数: 48

約数和(自身を含む): 39665590272

約数和(自身を除く): 19475629756

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 131, 188, 262, 517, 524, 1034, 1441, 2068, 2882, 5764, 6157, 12314, 24628, 67727, 74527, 135454, 149054, 270908, 298108, 819797, 1639594, 3279188, 3502769, 7005538, 9763037, 14011076, 19526074, 38530459, 39052148, 77060918, 107393407, 154121836, 214786814, 429573628, 458862739, 917725478, 1835450956, 5047490129, 10094980258, 20189960516]

約数ペア:

[(1, 20189960516), (2, 10094980258), (4, 5047490129), (11, 1835450956), (22, 917725478), (44, 458862739), (47, 429573628), (94, 214786814), (131, 154121836), (188, 107393407), (262, 77060918), (517, 39052148), (524, 38530459), (1034, 19526074), (1441, 14011076), (2068, 9763037), (2882, 7005538), (5764, 3502769), (6157, 3279188), (12314, 1639594), (24628, 819797), (67727, 298108), (74527, 270908), (135454, 149054)]