20660757600

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1229807}}^1$

素因数の和:1229837

約数の個数: 144

約数和(自身を含む): 76858080768

約数和(自身を除く): 56197323168

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, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 2100, 2400, 2800, 3360, 4200, 5600, 8400, 16800, 1229807, 2459614, 3689421, 4919228, 6149035, 7378842, 8608649, 9838456, 12298070, 14757684, 17217298, 18447105, 19676912, 24596140, 25825947, 29515368, 30745175, 34434596, 36894210, 39353824, 43043245, 49192280, 51651894, 59030736, 61490350, 68869192, 73788420, 86086490, 92235525, 98384560, 103303788, 118061472, 122980700, 129129735, 137738384, 147576840, 172172980, 184471050, 196769120, 206607576, 215216225, 245961400, 258259470, 275476768, 295153680, 344345960, 368942100, 413215152, 430432450, 491922800, 516518940, 590307360, 645648675, 688691920, 737884200, 826430304, 860864900, 983845600, 1033037880, 1291297350, 1377383840, 1475768400, 1721729800, 2066075760, 2582594700, 2951536800, 3443459600, 4132151520, 5165189400, 6886919200, 10330378800, 20660757600]

約数ペア:

[(1, 20660757600), (2, 10330378800), (3, 6886919200), (4, 5165189400), (5, 4132151520), (6, 3443459600), (7, 2951536800), (8, 2582594700), (10, 2066075760), (12, 1721729800), (14, 1475768400), (15, 1377383840), (16, 1291297350), (20, 1033037880), (21, 983845600), (24, 860864900), (25, 826430304), (28, 737884200), (30, 688691920), (32, 645648675), (35, 590307360), (40, 516518940), (42, 491922800), (48, 430432450), (50, 413215152), (56, 368942100), (60, 344345960), (70, 295153680), (75, 275476768), (80, 258259470), (84, 245961400), (96, 215216225), (100, 206607576), (105, 196769120), (112, 184471050), (120, 172172980), (140, 147576840), (150, 137738384), (160, 129129735), (168, 122980700), (175, 118061472), (200, 103303788), (210, 98384560), (224, 92235525), (240, 86086490), (280, 73788420), (300, 68869192), (336, 61490350), (350, 59030736), (400, 51651894), (420, 49192280), (480, 43043245), (525, 39353824), (560, 36894210), (600, 34434596), (672, 30745175), (700, 29515368), (800, 25825947), (840, 24596140), (1050, 19676912), (1120, 18447105), (1200, 17217298), (1400, 14757684), (1680, 12298070), (2100, 9838456), (2400, 8608649), (2800, 7378842), (3360, 6149035), (4200, 4919228), (5600, 3689421), (8400, 2459614), (16800, 1229807)]