206920180

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{38461}}^1$

素因数の和:38739

約数の個数: 24

約数和(自身を含む): 436159080

約数和(自身を除く): 229238900

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 38461, 76922, 153844, 192305, 384610, 769220, 10346009, 20692018, 41384036, 51730045, 103460090, 206920180]

約数ペア:

[(1, 206920180), (2, 103460090), (4, 51730045), (5, 41384036), (10, 20692018), (20, 10346009), (269, 769220), (538, 384610), (1076, 192305), (1345, 153844), (2690, 76922), (5380, 38461)]