20199705604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1597}}^1\times {\mathrm{3079}}^1$

素因数の和:4772

約数の個数: 48

約数和(自身を含む): 38587225600

約数和(自身を除く): 18387519996

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 1597, 2054, 3079, 3194, 4108, 6158, 6388, 12316, 20761, 40027, 41522, 80054, 83044, 126163, 160108, 243241, 252326, 486482, 504652, 972964, 1640119, 3162133, 3280238, 4917163, 6324266, 6560476, 9834326, 12648532, 19668652, 63923119, 127846238, 255692476, 388455877, 776911754, 1553823508, 5049926401, 10099852802, 20199705604]

約数ペア:

[(1, 20199705604), (2, 10099852802), (4, 5049926401), (13, 1553823508), (26, 776911754), (52, 388455877), (79, 255692476), (158, 127846238), (316, 63923119), (1027, 19668652), (1597, 12648532), (2054, 9834326), (3079, 6560476), (3194, 6324266), (4108, 4917163), (6158, 3280238), (6388, 3162133), (12316, 1640119), (20761, 972964), (40027, 504652), (41522, 486482), (80054, 252326), (83044, 243241), (126163, 160108)]