20216742405

素因数分解:

$3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1\times {\mathrm{16333}}^1$

素因数の和:16981

約数の個数: 32

約数和(自身を含む): 32600050560

約数和(自身を除く): 12383308155

約数列:

[1, 3, 5, 15, 179, 461, 537, 895, 1383, 2305, 2685, 6915, 16333, 48999, 81665, 82519, 244995, 247557, 412595, 1237785, 2923607, 7529513, 8770821, 14618035, 22588539, 37647565, 43854105, 112942695, 1347782827, 4043348481, 6738914135, 20216742405]

約数ペア:

[(1, 20216742405), (3, 6738914135), (5, 4043348481), (15, 1347782827), (179, 112942695), (461, 43854105), (537, 37647565), (895, 22588539), (1383, 14618035), (2305, 8770821), (2685, 7529513), (6915, 2923607), (16333, 1237785), (48999, 412595), (81665, 247557), (82519, 244995)]