20156883305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1\times {\mathrm{15383}}^1$

素因数の和:16481

約数の個数: 32

約数和(自身を含む): 27447517440

約数和(自身を除く): 7290634135

約数列:

[1, 5, 13, 19, 65, 95, 247, 1061, 1235, 5305, 13793, 15383, 20159, 68965, 76915, 100795, 199979, 262067, 292277, 999895, 1310335, 1461385, 3799601, 16321363, 18998005, 81606815, 212177719, 310105897, 1060888595, 1550529485, 4031376661, 20156883305]

約数ペア:

[(1, 20156883305), (5, 4031376661), (13, 1550529485), (19, 1060888595), (65, 310105897), (95, 212177719), (247, 81606815), (1061, 18998005), (1235, 16321363), (5305, 3799601), (13793, 1461385), (15383, 1310335), (20159, 999895), (68965, 292277), (76915, 262067), (100795, 199979)]