20247953176

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{486449}}^1$

素因数の和:486520

約数の個数: 48

約数和(自身を含む): 42700581000

約数和(自身を除く): 22452627824

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 473, 484, 946, 968, 1892, 3784, 5203, 10406, 20812, 41624, 486449, 972898, 1945796, 3891592, 5350939, 10701878, 20917307, 21403756, 41834614, 42807512, 58860329, 83669228, 117720658, 167338456, 230090377, 235441316, 460180754, 470882632, 920361508, 1840723016, 2530994147, 5061988294, 10123976588, 20247953176]

約数ペア:

[(1, 20247953176), (2, 10123976588), (4, 5061988294), (8, 2530994147), (11, 1840723016), (22, 920361508), (43, 470882632), (44, 460180754), (86, 235441316), (88, 230090377), (121, 167338456), (172, 117720658), (242, 83669228), (344, 58860329), (473, 42807512), (484, 41834614), (946, 21403756), (968, 20917307), (1892, 10701878), (3784, 5350939), (5203, 3891592), (10406, 1945796), (20812, 972898), (41624, 486449)]