20540400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17117}}^1$

素因数の和:17138

約数の個数: 60

約数和(自身を含む): 65801592

約数和(自身を除く): 45261192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17117, 34234, 51351, 68468, 85585, 102702, 136936, 171170, 205404, 256755, 273872, 342340, 410808, 427925, 513510, 684680, 821616, 855850, 1027020, 1283775, 1369360, 1711700, 2054040, 2567550, 3423400, 4108080, 5135100, 6846800, 10270200, 20540400]

約数ペア:

[(1, 20540400), (2, 10270200), (3, 6846800), (4, 5135100), (5, 4108080), (6, 3423400), (8, 2567550), (10, 2054040), (12, 1711700), (15, 1369360), (16, 1283775), (20, 1027020), (24, 855850), (25, 821616), (30, 684680), (40, 513510), (48, 427925), (50, 410808), (60, 342340), (75, 273872), (80, 256755), (100, 205404), (120, 171170), (150, 136936), (200, 102702), (240, 85585), (300, 68468), (400, 51351), (600, 34234), (1200, 17117)]