20138885760

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1498429}}^1$

素因数の和:1498458

約数の個数: 128

約数和(自身を含む): 73363132800

約数和(自身を除く): 53224247040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 1498429, 2996858, 4495287, 5993716, 7492145, 8990574, 10489003, 11987432, 14984290, 17981148, 20978006, 22476435, 23974864, 29968580, 31467009, 35962296, 41956012, 44952870, 47949728, 52445015, 59937160, 62934018, 71924592, 83912024, 89905740, 95899456, 104890030, 119874320, 125868036, 143849184, 157335045, 167824048, 179811480, 191798912, 209780060, 239748640, 251736072, 287698368, 314670090, 335648096, 359622960, 419560120, 479497280, 503472144, 575396736, 629340180, 671296192, 719245920, 839120240, 958994560, 1006944288, 1258680360, 1342592384, 1438491840, 1678240480, 2013888576, 2517360720, 2876983680, 3356480960, 4027777152, 5034721440, 6712961920, 10069442880, 20138885760]

約数ペア:

[(1, 20138885760), (2, 10069442880), (3, 6712961920), (4, 5034721440), (5, 4027777152), (6, 3356480960), (7, 2876983680), (8, 2517360720), (10, 2013888576), (12, 1678240480), (14, 1438491840), (15, 1342592384), (16, 1258680360), (20, 1006944288), (21, 958994560), (24, 839120240), (28, 719245920), (30, 671296192), (32, 629340180), (35, 575396736), (40, 503472144), (42, 479497280), (48, 419560120), (56, 359622960), (60, 335648096), (64, 314670090), (70, 287698368), (80, 251736072), (84, 239748640), (96, 209780060), (105, 191798912), (112, 179811480), (120, 167824048), (128, 157335045), (140, 143849184), (160, 125868036), (168, 119874320), (192, 104890030), (210, 95899456), (224, 89905740), (240, 83912024), (280, 71924592), (320, 62934018), (336, 59937160), (384, 52445015), (420, 47949728), (448, 44952870), (480, 41956012), (560, 35962296), (640, 31467009), (672, 29968580), (840, 23974864), (896, 22476435), (960, 20978006), (1120, 17981148), (1344, 14984290), (1680, 11987432), (1920, 10489003), (2240, 8990574), (2688, 7492145), (3360, 5993716), (4480, 4495287), (6720, 2996858), (13440, 1498429)]