20636513280

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{447841}}^1$

素因数の和:447872

約数の個数: 132

約数和(自身を含む): 71505140772

約数和(自身を除く): 50868627492

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 7680, 9216, 11520, 15360, 23040, 46080, 447841, 895682, 1343523, 1791364, 2239205, 2687046, 3582728, 4030569, 4478410, 5374092, 6717615, 7165456, 8061138, 8956820, 10748184, 13435230, 14330912, 16122276, 17913640, 20152845, 21496368, 26870460, 28661824, 32244552, 35827280, 40305690, 42992736, 53740920, 57323648, 64489104, 71654560, 80611380, 85985472, 107481840, 114647296, 128978208, 143309120, 161222760, 171970944, 214963680, 229294592, 257956416, 286618240, 322445520, 343941888, 429927360, 458589184, 515912832, 573236480, 644891040, 687883776, 859854720, 1031825664, 1146472960, 1289782080, 1375767552, 1719709440, 2063651328, 2292945920, 2579564160, 3439418880, 4127302656, 5159128320, 6878837760, 10318256640, 20636513280]

約数ペア:

[(1, 20636513280), (2, 10318256640), (3, 6878837760), (4, 5159128320), (5, 4127302656), (6, 3439418880), (8, 2579564160), (9, 2292945920), (10, 2063651328), (12, 1719709440), (15, 1375767552), (16, 1289782080), (18, 1146472960), (20, 1031825664), (24, 859854720), (30, 687883776), (32, 644891040), (36, 573236480), (40, 515912832), (45, 458589184), (48, 429927360), (60, 343941888), (64, 322445520), (72, 286618240), (80, 257956416), (90, 229294592), (96, 214963680), (120, 171970944), (128, 161222760), (144, 143309120), (160, 128978208), (180, 114647296), (192, 107481840), (240, 85985472), (256, 80611380), (288, 71654560), (320, 64489104), (360, 57323648), (384, 53740920), (480, 42992736), (512, 40305690), (576, 35827280), (640, 32244552), (720, 28661824), (768, 26870460), (960, 21496368), (1024, 20152845), (1152, 17913640), (1280, 16122276), (1440, 14330912), (1536, 13435230), (1920, 10748184), (2304, 8956820), (2560, 8061138), (2880, 7165456), (3072, 6717615), (3840, 5374092), (4608, 4478410), (5120, 4030569), (5760, 3582728), (7680, 2687046), (9216, 2239205), (11520, 1791364), (15360, 1343523), (23040, 895682), (46080, 447841)]