20008601756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{255329}}^1$

素因数の和:255494

約数の個数: 48

約数和(自身を含む): 41436995040

約数和(自身を除く): 21428393284

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 137, 143, 274, 286, 548, 572, 1507, 1781, 3014, 3562, 6028, 7124, 19591, 39182, 78364, 255329, 510658, 1021316, 2808619, 3319277, 5617238, 6638554, 11234476, 13277108, 34980073, 36512047, 69960146, 73024094, 139920292, 146048188, 384780803, 454740949, 769561606, 909481898, 1539123212, 1818963796, 5002150439, 10004300878, 20008601756]

約数ペア:

[(1, 20008601756), (2, 10004300878), (4, 5002150439), (11, 1818963796), (13, 1539123212), (22, 909481898), (26, 769561606), (44, 454740949), (52, 384780803), (137, 146048188), (143, 139920292), (274, 73024094), (286, 69960146), (548, 36512047), (572, 34980073), (1507, 13277108), (1781, 11234476), (3014, 6638554), (3562, 5617238), (6028, 3319277), (7124, 2808619), (19591, 1021316), (39182, 510658), (78364, 255329)]