20314160

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{937}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 47455296

約数和(自身を除く): 27141136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 937, 1084, 1355, 1874, 2168, 2710, 3748, 4336, 4685, 5420, 7496, 9370, 10840, 14992, 18740, 21680, 37480, 74960, 253927, 507854, 1015708, 1269635, 2031416, 2539270, 4062832, 5078540, 10157080, 20314160]

約数ペア:

[(1, 20314160), (2, 10157080), (4, 5078540), (5, 4062832), (8, 2539270), (10, 2031416), (16, 1269635), (20, 1015708), (40, 507854), (80, 253927), (271, 74960), (542, 37480), (937, 21680), (1084, 18740), (1355, 14992), (1874, 10840), (2168, 9370), (2710, 7496), (3748, 5420), (4336, 4685)]