20481000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6827}}^1$

素因数の和:6851

約数の個数: 64

約数和(自身を含む): 63910080

約数和(自身を除く): 43429080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 6827, 13654, 20481, 27308, 34135, 40962, 54616, 68270, 81924, 102405, 136540, 163848, 170675, 204810, 273080, 341350, 409620, 512025, 682700, 819240, 853375, 1024050, 1365400, 1706750, 2048100, 2560125, 3413500, 4096200, 5120250, 6827000, 10240500, 20481000]

約数ペア:

[(1, 20481000), (2, 10240500), (3, 6827000), (4, 5120250), (5, 4096200), (6, 3413500), (8, 2560125), (10, 2048100), (12, 1706750), (15, 1365400), (20, 1024050), (24, 853375), (25, 819240), (30, 682700), (40, 512025), (50, 409620), (60, 341350), (75, 273080), (100, 204810), (120, 170675), (125, 163848), (150, 136540), (200, 102405), (250, 81924), (300, 68270), (375, 54616), (500, 40962), (600, 34135), (750, 27308), (1000, 20481), (1500, 13654), (3000, 6827)]