20775678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 52296192

約数和(自身を除く): 31520514

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 193, 231, 233, 386, 462, 466, 579, 699, 1158, 1351, 1398, 1631, 2123, 2563, 2702, 3262, 4053, 4246, 4893, 5126, 6369, 7689, 8106, 9786, 12738, 14861, 15378, 17941, 29722, 35882, 44583, 44969, 53823, 89166, 89938, 107646, 134907, 269814, 314783, 494659, 629566, 944349, 989318, 1483977, 1888698, 2967954, 3462613, 6925226, 10387839, 20775678]

約数ペア:

[(1, 20775678), (2, 10387839), (3, 6925226), (6, 3462613), (7, 2967954), (11, 1888698), (14, 1483977), (21, 989318), (22, 944349), (33, 629566), (42, 494659), (66, 314783), (77, 269814), (154, 134907), (193, 107646), (231, 89938), (233, 89166), (386, 53823), (462, 44969), (466, 44583), (579, 35882), (699, 29722), (1158, 17941), (1351, 15378), (1398, 14861), (1631, 12738), (2123, 9786), (2563, 8106), (2702, 7689), (3262, 6369), (4053, 5126), (4246, 4893)]