20121889920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{952741}}^1$

素因数の和:952774

約数の個数: 128

約数和(自身を含む): 69969372480

約数和(自身を除く): 49847482560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 21120, 952741, 1905482, 2858223, 3810964, 4763705, 5716446, 7621928, 9527410, 10480151, 11432892, 14291115, 15243856, 19054820, 20960302, 22865784, 28582230, 30487712, 31440453, 38109640, 41920604, 45731568, 52400755, 57164460, 60975424, 62880906, 76219280, 83841208, 91463136, 104801510, 114328920, 121950848, 125761812, 152438560, 157202265, 167682416, 182926272, 209603020, 228657840, 251523624, 304877120, 314404530, 335364832, 365852544, 419206040, 457315680, 503047248, 609754240, 628809060, 670729664, 838412080, 914631360, 1006094496, 1257618120, 1341459328, 1676824160, 1829262720, 2012188992, 2515236240, 3353648320, 4024377984, 5030472480, 6707296640, 10060944960, 20121889920]

約数ペア:

[(1, 20121889920), (2, 10060944960), (3, 6707296640), (4, 5030472480), (5, 4024377984), (6, 3353648320), (8, 2515236240), (10, 2012188992), (11, 1829262720), (12, 1676824160), (15, 1341459328), (16, 1257618120), (20, 1006094496), (22, 914631360), (24, 838412080), (30, 670729664), (32, 628809060), (33, 609754240), (40, 503047248), (44, 457315680), (48, 419206040), (55, 365852544), (60, 335364832), (64, 314404530), (66, 304877120), (80, 251523624), (88, 228657840), (96, 209603020), (110, 182926272), (120, 167682416), (128, 157202265), (132, 152438560), (160, 125761812), (165, 121950848), (176, 114328920), (192, 104801510), (220, 91463136), (240, 83841208), (264, 76219280), (320, 62880906), (330, 60975424), (352, 57164460), (384, 52400755), (440, 45731568), (480, 41920604), (528, 38109640), (640, 31440453), (660, 30487712), (704, 28582230), (880, 22865784), (960, 20960302), (1056, 19054820), (1320, 15243856), (1408, 14291115), (1760, 11432892), (1920, 10480151), (2112, 9527410), (2640, 7621928), (3520, 5716446), (4224, 4763705), (5280, 3810964), (7040, 2858223), (10560, 1905482), (21120, 952741)]