20547360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:791

約数の個数: 144

約数和(自身を含む): 73906560

約数和(自身を除く): 53359200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 751, 760, 855, 912, 1140, 1368, 1440, 1502, 1520, 1710, 1824, 2253, 2280, 2736, 3004, 3040, 3420, 3755, 4506, 4560, 5472, 6008, 6759, 6840, 7510, 9012, 9120, 11265, 12016, 13518, 13680, 14269, 15020, 18024, 22530, 24032, 27036, 27360, 28538, 30040, 33795, 36048, 42807, 45060, 54072, 57076, 60080, 67590, 71345, 72096, 85614, 90120, 108144, 114152, 120160, 128421, 135180, 142690, 171228, 180240, 214035, 216288, 228304, 256842, 270360, 285380, 342456, 360480, 428070, 456608, 513684, 540720, 570760, 642105, 684912, 856140, 1027368, 1081440, 1141520, 1284210, 1369824, 1712280, 2054736, 2283040, 2568420, 3424560, 4109472, 5136840, 6849120, 10273680, 20547360]

約数ペア:

[(1, 20547360), (2, 10273680), (3, 6849120), (4, 5136840), (5, 4109472), (6, 3424560), (8, 2568420), (9, 2283040), (10, 2054736), (12, 1712280), (15, 1369824), (16, 1284210), (18, 1141520), (19, 1081440), (20, 1027368), (24, 856140), (30, 684912), (32, 642105), (36, 570760), (38, 540720), (40, 513684), (45, 456608), (48, 428070), (57, 360480), (60, 342456), (72, 285380), (76, 270360), (80, 256842), (90, 228304), (95, 216288), (96, 214035), (114, 180240), (120, 171228), (144, 142690), (152, 135180), (160, 128421), (171, 120160), (180, 114152), (190, 108144), (228, 90120), (240, 85614), (285, 72096), (288, 71345), (304, 67590), (342, 60080), (360, 57076), (380, 54072), (456, 45060), (480, 42807), (570, 36048), (608, 33795), (684, 30040), (720, 28538), (751, 27360), (760, 27036), (855, 24032), (912, 22530), (1140, 18024), (1368, 15020), (1440, 14269), (1502, 13680), (1520, 13518), (1710, 12016), (1824, 11265), (2253, 9120), (2280, 9012), (2736, 7510), (3004, 6840), (3040, 6759), (3420, 6008), (3755, 5472), (4506, 4560)]