20296080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4027}}^1$

素因数の和:4053

約数の個数: 120

約数和(自身を含む): 77917632

約数和(自身を除く): 57621552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 4027, 5040, 8054, 12081, 16108, 20135, 24162, 28189, 32216, 36243, 40270, 48324, 56378, 60405, 64432, 72486, 80540, 84567, 96648, 112756, 120810, 140945, 144972, 161080, 169134, 181215, 193296, 225512, 241620, 253701, 281890, 289944, 322160, 338268, 362430, 422835, 451024, 483240, 507402, 563780, 579888, 676536, 724860, 845670, 966480, 1014804, 1127560, 1268505, 1353072, 1449720, 1691340, 2029608, 2255120, 2537010, 2899440, 3382680, 4059216, 5074020, 6765360, 10148040, 20296080]

約数ペア:

[(1, 20296080), (2, 10148040), (3, 6765360), (4, 5074020), (5, 4059216), (6, 3382680), (7, 2899440), (8, 2537010), (9, 2255120), (10, 2029608), (12, 1691340), (14, 1449720), (15, 1353072), (16, 1268505), (18, 1127560), (20, 1014804), (21, 966480), (24, 845670), (28, 724860), (30, 676536), (35, 579888), (36, 563780), (40, 507402), (42, 483240), (45, 451024), (48, 422835), (56, 362430), (60, 338268), (63, 322160), (70, 289944), (72, 281890), (80, 253701), (84, 241620), (90, 225512), (105, 193296), (112, 181215), (120, 169134), (126, 161080), (140, 144972), (144, 140945), (168, 120810), (180, 112756), (210, 96648), (240, 84567), (252, 80540), (280, 72486), (315, 64432), (336, 60405), (360, 56378), (420, 48324), (504, 40270), (560, 36243), (630, 32216), (720, 28189), (840, 24162), (1008, 20135), (1260, 16108), (1680, 12081), (2520, 8054), (4027, 5040)]