20469579

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16931}}^1$

素因数の和:16978

約数の個数: 16

約数和(自身を含む): 30342144

約数和(自身を除く): 9872565

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16931, 50793, 220103, 524861, 660309, 1574583, 6823193, 20469579]

約数ペア:

[(1, 20469579), (3, 6823193), (13, 1574583), (31, 660309), (39, 524861), (93, 220103), (403, 50793), (1209, 16931)]