20104706545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{1877}}^1$

素因数の和:2590

約数の個数: 64

約数和(自身を含む): 30842228736

約数和(自身を除く): 10737522191

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 647, 1505, 1877, 2365, 3235, 3311, 4529, 7117, 9385, 13139, 16555, 20647, 22645, 27821, 35585, 49819, 65695, 80711, 103235, 139105, 144529, 194747, 249095, 306031, 403555, 564977, 722645, 887821, 973735, 1214419, 1530155, 2142217, 2824885, 4439105, 6072095, 6214747, 8500933, 10711085, 13358609, 31073735, 42504665, 52220017, 66793045, 93510263, 261100085, 365540119, 467551315, 574420187, 1827700595, 2872100935, 4020941309, 20104706545]

約数ペア:

[(1, 20104706545), (5, 4020941309), (7, 2872100935), (11, 1827700595), (35, 574420187), (43, 467551315), (55, 365540119), (77, 261100085), (215, 93510263), (301, 66793045), (385, 52220017), (473, 42504665), (647, 31073735), (1505, 13358609), (1877, 10711085), (2365, 8500933), (3235, 6214747), (3311, 6072095), (4529, 4439105), (7117, 2824885), (9385, 2142217), (13139, 1530155), (16555, 1214419), (20647, 973735), (22645, 887821), (27821, 722645), (35585, 564977), (49819, 403555), (65695, 306031), (80711, 249095), (103235, 194747), (139105, 144529)]