20126611988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{437497}}^1$

素因数の和:437592

約数の個数: 48

約数和(自身を含む): 42335806464

約数和(自身を除く): 22209194476

約数列:

[1, 2, 4, 7, 14, 28, 31, 53, 62, 106, 124, 212, 217, 371, 434, 742, 868, 1484, 1643, 3286, 6572, 11501, 23002, 46004, 437497, 874994, 1749988, 3062479, 6124958, 12249916, 13562407, 23187341, 27124814, 46374682, 54249628, 92749364, 94936849, 162311387, 189873698, 324622774, 379747396, 649245548, 718807571, 1437615142, 2875230284, 5031652997, 10063305994, 20126611988]

約数ペア:

[(1, 20126611988), (2, 10063305994), (4, 5031652997), (7, 2875230284), (14, 1437615142), (28, 718807571), (31, 649245548), (53, 379747396), (62, 324622774), (106, 189873698), (124, 162311387), (212, 94936849), (217, 92749364), (371, 54249628), (434, 46374682), (742, 27124814), (868, 23187341), (1484, 13562407), (1643, 12249916), (3286, 6124958), (6572, 3062479), (11501, 1749988), (23002, 874994), (46004, 437497)]