20529603

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 30506112

約数和(自身を除く): 9976509

約数列:

[1, 3, 9, 53, 159, 193, 223, 477, 579, 669, 1737, 2007, 10229, 11819, 30687, 35457, 43039, 92061, 106371, 129117, 387351, 2281067, 6843201, 20529603]

約数ペア:

[(1, 20529603), (3, 6843201), (9, 2281067), (53, 387351), (159, 129117), (193, 106371), (223, 92061), (477, 43039), (579, 35457), (669, 30687), (1737, 11819), (2007, 10229)]