20856154320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9655627}}^1$

素因数の和:9655649

約数の個数: 80

約数和(自身を含む): 71837872320

約数和(自身を除く): 50981718000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9655627, 19311254, 28966881, 38622508, 48278135, 57933762, 77245016, 86900643, 96556270, 115867524, 144834405, 154490032, 173801286, 193112540, 231735048, 260701929, 289668810, 347602572, 386225080, 434503215, 463470096, 521403858, 579337620, 695205144, 772450160, 869006430, 1042807716, 1158675240, 1303509645, 1390410288, 1738012860, 2085615432, 2317350480, 2607019290, 3476025720, 4171230864, 5214038580, 6952051440, 10428077160, 20856154320]

約数ペア:

[(1, 20856154320), (2, 10428077160), (3, 6952051440), (4, 5214038580), (5, 4171230864), (6, 3476025720), (8, 2607019290), (9, 2317350480), (10, 2085615432), (12, 1738012860), (15, 1390410288), (16, 1303509645), (18, 1158675240), (20, 1042807716), (24, 869006430), (27, 772450160), (30, 695205144), (36, 579337620), (40, 521403858), (45, 463470096), (48, 434503215), (54, 386225080), (60, 347602572), (72, 289668810), (80, 260701929), (90, 231735048), (108, 193112540), (120, 173801286), (135, 154490032), (144, 144834405), (180, 115867524), (216, 96556270), (240, 86900643), (270, 77245016), (360, 57933762), (432, 48278135), (540, 38622508), (720, 28966881), (1080, 19311254), (2160, 9655627)]