20284168

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{919}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 19459832

約数列:

[1, 2, 4, 8, 31, 62, 89, 124, 178, 248, 356, 712, 919, 1838, 2759, 3676, 5518, 7352, 11036, 22072, 28489, 56978, 81791, 113956, 163582, 227912, 327164, 654328, 2535521, 5071042, 10142084, 20284168]

約数ペア:

[(1, 20284168), (2, 10142084), (4, 5071042), (8, 2535521), (31, 654328), (62, 327164), (89, 227912), (124, 163582), (178, 113956), (248, 81791), (356, 56978), (712, 28489), (919, 22072), (1838, 11036), (2759, 7352), (3676, 5518)]