20884800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:273

約数の個数: 168

約数和(自身を含む): 72440800

約数和(自身を除く): 51556000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 64, 75, 76, 80, 95, 96, 100, 114, 120, 150, 152, 160, 190, 192, 200, 228, 229, 240, 285, 300, 304, 320, 380, 400, 456, 458, 475, 480, 570, 600, 608, 687, 760, 800, 912, 916, 950, 960, 1140, 1145, 1200, 1216, 1374, 1425, 1520, 1600, 1824, 1832, 1900, 2280, 2290, 2400, 2748, 2850, 3040, 3435, 3648, 3664, 3800, 4351, 4560, 4580, 4800, 5496, 5700, 5725, 6080, 6870, 7328, 7600, 8702, 9120, 9160, 10992, 11400, 11450, 13053, 13740, 14656, 15200, 17175, 17404, 18240, 18320, 21755, 21984, 22800, 22900, 26106, 27480, 30400, 34350, 34808, 36640, 43510, 43968, 45600, 45800, 52212, 54960, 65265, 68700, 69616, 73280, 87020, 91200, 91600, 104424, 108775, 109920, 130530, 137400, 139232, 174040, 183200, 208848, 217550, 219840, 261060, 274800, 278464, 326325, 348080, 366400, 417696, 435100, 522120, 549600, 652650, 696160, 835392, 870200, 1044240, 1099200, 1305300, 1392320, 1740400, 2088480, 2610600, 3480800, 4176960, 5221200, 6961600, 10442400, 20884800]

約数ペア:

[(1, 20884800), (2, 10442400), (3, 6961600), (4, 5221200), (5, 4176960), (6, 3480800), (8, 2610600), (10, 2088480), (12, 1740400), (15, 1392320), (16, 1305300), (19, 1099200), (20, 1044240), (24, 870200), (25, 835392), (30, 696160), (32, 652650), (38, 549600), (40, 522120), (48, 435100), (50, 417696), (57, 366400), (60, 348080), (64, 326325), (75, 278464), (76, 274800), (80, 261060), (95, 219840), (96, 217550), (100, 208848), (114, 183200), (120, 174040), (150, 139232), (152, 137400), (160, 130530), (190, 109920), (192, 108775), (200, 104424), (228, 91600), (229, 91200), (240, 87020), (285, 73280), (300, 69616), (304, 68700), (320, 65265), (380, 54960), (400, 52212), (456, 45800), (458, 45600), (475, 43968), (480, 43510), (570, 36640), (600, 34808), (608, 34350), (687, 30400), (760, 27480), (800, 26106), (912, 22900), (916, 22800), (950, 21984), (960, 21755), (1140, 18320), (1145, 18240), (1200, 17404), (1216, 17175), (1374, 15200), (1425, 14656), (1520, 13740), (1600, 13053), (1824, 11450), (1832, 11400), (1900, 10992), (2280, 9160), (2290, 9120), (2400, 8702), (2748, 7600), (2850, 7328), (3040, 6870), (3435, 6080), (3648, 5725), (3664, 5700), (3800, 5496), (4351, 4800), (4560, 4580)]