16689860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 38646720

約数和(自身を除く): 21956860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 709, 1070, 1177, 1418, 2140, 2354, 2836, 3545, 4708, 5885, 7090, 7799, 11770, 14180, 15598, 23540, 31196, 38995, 75863, 77990, 151726, 155980, 303452, 379315, 758630, 834493, 1517260, 1668986, 3337972, 4172465, 8344930, 16689860]

約数ペア:

[(1, 16689860), (2, 8344930), (4, 4172465), (5, 3337972), (10, 1668986), (11, 1517260), (20, 834493), (22, 758630), (44, 379315), (55, 303452), (107, 155980), (110, 151726), (214, 77990), (220, 75863), (428, 38995), (535, 31196), (709, 23540), (1070, 15598), (1177, 14180), (1418, 11770), (2140, 7799), (2354, 7090), (2836, 5885), (3545, 4708)]