20559360

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2677}}^1$

素因数の和:2703

約数の個数: 80

約数和(自身を含む): 65750256

約数和(自身を除く): 45190896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2677, 3840, 5354, 7680, 8031, 10708, 13385, 16062, 21416, 26770, 32124, 40155, 42832, 53540, 64248, 80310, 85664, 107080, 128496, 160620, 171328, 214160, 256992, 321240, 342656, 428320, 513984, 642480, 685312, 856640, 1027968, 1284960, 1370624, 1713280, 2055936, 2569920, 3426560, 4111872, 5139840, 6853120, 10279680, 20559360]

約数ペア:

[(1, 20559360), (2, 10279680), (3, 6853120), (4, 5139840), (5, 4111872), (6, 3426560), (8, 2569920), (10, 2055936), (12, 1713280), (15, 1370624), (16, 1284960), (20, 1027968), (24, 856640), (30, 685312), (32, 642480), (40, 513984), (48, 428320), (60, 342656), (64, 321240), (80, 256992), (96, 214160), (120, 171328), (128, 160620), (160, 128496), (192, 107080), (240, 85664), (256, 80310), (320, 64248), (384, 53540), (480, 42832), (512, 40155), (640, 32124), (768, 26770), (960, 21416), (1280, 16062), (1536, 13385), (1920, 10708), (2560, 8031), (2677, 7680), (3840, 5354)]