20132505575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:937

約数の個数: 96

約数和(自身を含む): 31411322880

約数和(自身を除く): 11278817305

約数列:

[1, 5, 7, 13, 25, 35, 61, 65, 91, 175, 239, 305, 325, 427, 455, 607, 793, 1195, 1525, 1673, 2135, 2275, 3035, 3107, 3965, 4249, 5551, 5975, 7891, 8365, 10675, 14579, 15175, 15535, 19825, 21245, 21749, 27755, 37027, 39455, 41825, 55237, 72895, 77675, 102053, 106225, 108745, 138775, 145073, 185135, 189527, 197275, 259189, 276185, 364475, 481351, 510265, 543725, 725365, 925675, 947635, 1015511, 1295945, 1326689, 1380925, 1885949, 2406755, 2551325, 3369457, 3626825, 4738175, 5077555, 6479725, 6633445, 8849453, 9429745, 12033775, 13201643, 16847285, 25387775, 33167225, 44247265, 47148725, 61946171, 66008215, 84236425, 115042889, 221236325, 309730855, 330041075, 575214445, 805300223, 1548654275, 2876072225, 4026501115, 20132505575]

約数ペア:

[(1, 20132505575), (5, 4026501115), (7, 2876072225), (13, 1548654275), (25, 805300223), (35, 575214445), (61, 330041075), (65, 309730855), (91, 221236325), (175, 115042889), (239, 84236425), (305, 66008215), (325, 61946171), (427, 47148725), (455, 44247265), (607, 33167225), (793, 25387775), (1195, 16847285), (1525, 13201643), (1673, 12033775), (2135, 9429745), (2275, 8849453), (3035, 6633445), (3107, 6479725), (3965, 5077555), (4249, 4738175), (5551, 3626825), (5975, 3369457), (7891, 2551325), (8365, 2406755), (10675, 1885949), (14579, 1380925), (15175, 1326689), (15535, 1295945), (19825, 1015511), (21245, 947635), (21749, 925675), (27755, 725365), (37027, 543725), (39455, 510265), (41825, 481351), (55237, 364475), (72895, 276185), (77675, 259189), (102053, 197275), (106225, 189527), (108745, 185135), (138775, 145073)]