20537553

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3491}}^1$

素因数の和:3584

約数の個数: 16

約数和(自身を含む): 28662336

約数和(自身を除く): 8124783

約数列:

[1, 3, 37, 53, 111, 159, 1961, 3491, 5883, 10473, 129167, 185023, 387501, 555069, 6845851, 20537553]

約数ペア:

[(1, 20537553), (3, 6845851), (37, 555069), (53, 387501), (111, 185023), (159, 129167), (1961, 10473), (3491, 5883)]