20285144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3907}}^1$

素因数の和:3983

約数の個数: 32

約数和(自身を含む): 42206400

約数和(自身を除く): 21921256

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 3907, 5192, 7814, 15628, 31256, 42977, 85954, 171908, 230513, 343816, 461026, 922052, 1844104, 2535643, 5071286, 10142572, 20285144]

約数ペア:

[(1, 20285144), (2, 10142572), (4, 5071286), (8, 2535643), (11, 1844104), (22, 922052), (44, 461026), (59, 343816), (88, 230513), (118, 171908), (236, 85954), (472, 42977), (649, 31256), (1298, 15628), (2596, 7814), (3907, 5192)]