20201504

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4021}}^1$

素因数の和:4188

約数の個数: 24

約数和(自身を含む): 40034988

約数和(自身を除く): 19833484

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4021, 5024, 8042, 16084, 32168, 64336, 128672, 631297, 1262594, 2525188, 5050376, 10100752, 20201504]

約数ペア:

[(1, 20201504), (2, 10100752), (4, 5050376), (8, 2525188), (16, 1262594), (32, 631297), (157, 128672), (314, 64336), (628, 32168), (1256, 16084), (2512, 8042), (4021, 5024)]