1999210820

素因数分解:

$2^2\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{36629}}^1$

素因数の和:39367

約数の個数: 24

約数和(自身を含む): 4199995800

約数和(自身を除く): 2200784980

約数列:

[1, 2, 4, 5, 10, 20, 2729, 5458, 10916, 13645, 27290, 36629, 54580, 73258, 146516, 183145, 366290, 732580, 99960541, 199921082, 399842164, 499802705, 999605410, 1999210820]

約数ペア:

[(1, 1999210820), (2, 999605410), (4, 499802705), (5, 399842164), (10, 199921082), (20, 99960541), (2729, 732580), (5458, 366290), (10916, 183145), (13645, 146516), (27290, 73258), (36629, 54580)]