20238419096

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1\times {\mathrm{6521}}^1$

素因数の和:7044

約数の個数: 64

約数和(自身を含む): 43774620480

約数和(自身を除く): 23536201384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 353, 628, 706, 1099, 1256, 1412, 2198, 2471, 2824, 4396, 4942, 6521, 8792, 9884, 13042, 19768, 26084, 45647, 52168, 55421, 91294, 110842, 182588, 221684, 365176, 387947, 443368, 775894, 1023797, 1551788, 2047594, 2301913, 3103576, 4095188, 4603826, 7166579, 8190376, 9207652, 14333158, 16113391, 18415304, 28666316, 32226782, 57332632, 64453564, 128907128, 361400341, 722800682, 1445601364, 2529802387, 2891202728, 5059604774, 10119209548, 20238419096]

約数ペア:

[(1, 20238419096), (2, 10119209548), (4, 5059604774), (7, 2891202728), (8, 2529802387), (14, 1445601364), (28, 722800682), (56, 361400341), (157, 128907128), (314, 64453564), (353, 57332632), (628, 32226782), (706, 28666316), (1099, 18415304), (1256, 16113391), (1412, 14333158), (2198, 9207652), (2471, 8190376), (2824, 7166579), (4396, 4603826), (4942, 4095188), (6521, 3103576), (8792, 2301913), (9884, 2047594), (13042, 1551788), (19768, 1023797), (26084, 775894), (45647, 443368), (52168, 387947), (55421, 365176), (91294, 221684), (110842, 182588)]