20312556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4159}}^1$

素因数の和:4214

約数の個数: 48

約数和(自身を含む): 53114880

約数和(自身を除く): 32802324

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 4159, 4884, 8318, 12477, 16636, 24954, 45749, 49908, 91498, 137247, 153883, 182996, 274494, 307766, 461649, 548988, 615532, 923298, 1692713, 1846596, 3385426, 5078139, 6770852, 10156278, 20312556]

約数ペア:

[(1, 20312556), (2, 10156278), (3, 6770852), (4, 5078139), (6, 3385426), (11, 1846596), (12, 1692713), (22, 923298), (33, 615532), (37, 548988), (44, 461649), (66, 307766), (74, 274494), (111, 182996), (132, 153883), (148, 137247), (222, 91498), (407, 49908), (444, 45749), (814, 24954), (1221, 16636), (1628, 12477), (2442, 8318), (4159, 4884)]