20403573

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{617}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 27805056

約数和(自身を除く): 7401483

約数列:

[1, 3, 73, 151, 219, 453, 617, 1851, 11023, 33069, 45041, 93167, 135123, 279501, 6801191, 20403573]

約数ペア:

[(1, 20403573), (3, 6801191), (73, 279501), (151, 135123), (219, 93167), (453, 45041), (617, 33069), (1851, 11023)]