16720223526

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{4361039}}^1$

素因数の和:4361121

約数の個数: 32

約数和(自身を含む): 37679385600

約数和(自身を除く): 20959162074

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 4361039, 8722078, 13083117, 26166234, 39249351, 78498702, 117748053, 235496106, 309633769, 619267538, 928901307, 1857802614, 2786703921, 5573407842, 8360111763, 16720223526]

約数ペア:

[(1, 16720223526), (2, 8360111763), (3, 5573407842), (6, 2786703921), (9, 1857802614), (18, 928901307), (27, 619267538), (54, 309633769), (71, 235496106), (142, 117748053), (213, 78498702), (426, 39249351), (639, 26166234), (1278, 13083117), (1917, 8722078), (3834, 4361039)]