20546580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4691}}^1$

素因数の和:4776

約数の個数: 48

約数和(自身を含む): 58330944

約数和(自身を除く): 37784364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 4691, 9382, 14073, 18764, 23455, 28146, 46910, 56292, 70365, 93820, 140730, 281460, 342443, 684886, 1027329, 1369772, 1712215, 2054658, 3424430, 4109316, 5136645, 6848860, 10273290, 20546580]

約数ペア:

[(1, 20546580), (2, 10273290), (3, 6848860), (4, 5136645), (5, 4109316), (6, 3424430), (10, 2054658), (12, 1712215), (15, 1369772), (20, 1027329), (30, 684886), (60, 342443), (73, 281460), (146, 140730), (219, 93820), (292, 70365), (365, 56292), (438, 46910), (730, 28146), (876, 23455), (1095, 18764), (1460, 14073), (2190, 9382), (4380, 4691)]