20373780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 45428460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 179, 210, 271, 358, 420, 537, 542, 716, 813, 895, 1074, 1084, 1253, 1355, 1626, 1790, 1897, 2148, 2506, 2685, 2710, 3252, 3580, 3759, 3794, 4065, 5012, 5370, 5420, 5691, 6265, 7518, 7588, 8130, 9485, 10740, 11382, 12530, 15036, 16260, 18795, 18970, 22764, 25060, 28455, 37590, 37940, 48509, 56910, 75180, 97018, 113820, 145527, 194036, 242545, 291054, 339563, 485090, 582108, 679126, 727635, 970180, 1018689, 1358252, 1455270, 1697815, 2037378, 2910540, 3395630, 4074756, 5093445, 6791260, 10186890, 20373780]

約数ペア:

[(1, 20373780), (2, 10186890), (3, 6791260), (4, 5093445), (5, 4074756), (6, 3395630), (7, 2910540), (10, 2037378), (12, 1697815), (14, 1455270), (15, 1358252), (20, 1018689), (21, 970180), (28, 727635), (30, 679126), (35, 582108), (42, 485090), (60, 339563), (70, 291054), (84, 242545), (105, 194036), (140, 145527), (179, 113820), (210, 97018), (271, 75180), (358, 56910), (420, 48509), (537, 37940), (542, 37590), (716, 28455), (813, 25060), (895, 22764), (1074, 18970), (1084, 18795), (1253, 16260), (1355, 15036), (1626, 12530), (1790, 11382), (1897, 10740), (2148, 9485), (2506, 8130), (2685, 7588), (2710, 7518), (3252, 6265), (3580, 5691), (3759, 5420), (3794, 5370), (4065, 5012)]