20018964000

素因数分解:

$2^5\times 3^1\times 5^3\times 7^1\times {\mathrm{238321}}^1$

素因数の和:238356

約数の個数: 192

約数和(自身を含む): 74951315712

約数和(自身を除く): 54932351712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 140, 150, 160, 168, 175, 200, 210, 224, 240, 250, 280, 300, 336, 350, 375, 400, 420, 480, 500, 525, 560, 600, 672, 700, 750, 800, 840, 875, 1000, 1050, 1120, 1200, 1400, 1500, 1680, 1750, 2000, 2100, 2400, 2625, 2800, 3000, 3360, 3500, 4000, 4200, 5250, 5600, 6000, 7000, 8400, 10500, 12000, 14000, 16800, 21000, 28000, 42000, 84000, 238321, 476642, 714963, 953284, 1191605, 1429926, 1668247, 1906568, 2383210, 2859852, 3336494, 3574815, 3813136, 4766420, 5004741, 5719704, 5958025, 6672988, 7149630, 7626272, 8341235, 9532840, 10009482, 11439408, 11916050, 13345976, 14299260, 16682470, 17874075, 19065680, 20018964, 22878816, 23832100, 25023705, 26691952, 28598520, 29790125, 33364940, 35748150, 38131360, 40037928, 41706175, 47664200, 50047410, 53383904, 57197040, 59580250, 66729880, 71496300, 80075856, 83412350, 89370375, 95328400, 100094820, 114394080, 119160500, 125118525, 133459760, 142992600, 160151712, 166824700, 178740750, 190656800, 200189640, 208530875, 238321000, 250237050, 266919520, 285985200, 333649400, 357481500, 400379280, 417061750, 476642000, 500474100, 571970400, 625592625, 667298800, 714963000, 800758560, 834123500, 953284000, 1000948200, 1251185250, 1334597600, 1429926000, 1668247000, 2001896400, 2502370500, 2859852000, 3336494000, 4003792800, 5004741000, 6672988000, 10009482000, 20018964000]

約数ペア:

[(1, 20018964000), (2, 10009482000), (3, 6672988000), (4, 5004741000), (5, 4003792800), (6, 3336494000), (7, 2859852000), (8, 2502370500), (10, 2001896400), (12, 1668247000), (14, 1429926000), (15, 1334597600), (16, 1251185250), (20, 1000948200), (21, 953284000), (24, 834123500), (25, 800758560), (28, 714963000), (30, 667298800), (32, 625592625), (35, 571970400), (40, 500474100), (42, 476642000), (48, 417061750), (50, 400379280), (56, 357481500), (60, 333649400), (70, 285985200), (75, 266919520), (80, 250237050), (84, 238321000), (96, 208530875), (100, 200189640), (105, 190656800), (112, 178740750), (120, 166824700), (125, 160151712), (140, 142992600), (150, 133459760), (160, 125118525), (168, 119160500), (175, 114394080), (200, 100094820), (210, 95328400), (224, 89370375), (240, 83412350), (250, 80075856), (280, 71496300), (300, 66729880), (336, 59580250), (350, 57197040), (375, 53383904), (400, 50047410), (420, 47664200), (480, 41706175), (500, 40037928), (525, 38131360), (560, 35748150), (600, 33364940), (672, 29790125), (700, 28598520), (750, 26691952), (800, 25023705), (840, 23832100), (875, 22878816), (1000, 20018964), (1050, 19065680), (1120, 17874075), (1200, 16682470), (1400, 14299260), (1500, 13345976), (1680, 11916050), (1750, 11439408), (2000, 10009482), (2100, 9532840), (2400, 8341235), (2625, 7626272), (2800, 7149630), (3000, 6672988), (3360, 5958025), (3500, 5719704), (4000, 5004741), (4200, 4766420), (5250, 3813136), (5600, 3574815), (6000, 3336494), (7000, 2859852), (8400, 2383210), (10500, 1906568), (12000, 1668247), (14000, 1429926), (16800, 1191605), (21000, 953284), (28000, 714963), (42000, 476642), (84000, 238321)]