20004285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{601}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 36755712

約数和(自身を除く): 16751427

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 317, 601, 951, 1585, 1803, 2219, 3005, 4207, 4755, 6657, 9015, 11095, 12621, 21035, 33285, 63105, 190517, 571551, 952585, 1333619, 2857755, 4000857, 6668095, 20004285]

約数ペア:

[(1, 20004285), (3, 6668095), (5, 4000857), (7, 2857755), (15, 1333619), (21, 952585), (35, 571551), (105, 190517), (317, 63105), (601, 33285), (951, 21035), (1585, 12621), (1803, 11095), (2219, 9015), (3005, 6657), (4207, 4755)]