20056984

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 38507040

約数和(自身を除く): 18450056

約数列:

[1, 2, 4, 8, 101, 103, 202, 206, 241, 404, 412, 482, 808, 824, 964, 1928, 10403, 20806, 24341, 24823, 41612, 48682, 49646, 83224, 97364, 99292, 194728, 198584, 2507123, 5014246, 10028492, 20056984]

約数ペア:

[(1, 20056984), (2, 10028492), (4, 5014246), (8, 2507123), (101, 198584), (103, 194728), (202, 99292), (206, 97364), (241, 83224), (404, 49646), (412, 48682), (482, 41612), (808, 24823), (824, 24341), (964, 20806), (1928, 10403)]