20889842

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{4409}}^1$

素因数の和:4537

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 12132238

約数列:

[1, 2, 23, 46, 103, 206, 2369, 4409, 4738, 8818, 101407, 202814, 454127, 908254, 10444921, 20889842]

約数ペア:

[(1, 20889842), (2, 10444921), (23, 908254), (46, 454127), (103, 202814), (206, 101407), (2369, 8818), (4409, 4738)]