20256985155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{17387}}^1$

素因数の和:17736

約数の個数: 64

約数和(自身を含む): 37017243648

約数和(自身を除く): 16760258493

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 307, 345, 759, 921, 1265, 1535, 3377, 3795, 4605, 7061, 10131, 16885, 17387, 21183, 35305, 50655, 52161, 77671, 86935, 105915, 191257, 233013, 260805, 388355, 399901, 573771, 956285, 1165065, 1199703, 1999505, 2868855, 4398911, 5337809, 5998515, 13196733, 16013427, 21994555, 26689045, 58715899, 65983665, 80067135, 122769607, 176147697, 293579495, 368308821, 613848035, 880738485, 1350465677, 1841544105, 4051397031, 6752328385, 20256985155]

約数ペア:

[(1, 20256985155), (3, 6752328385), (5, 4051397031), (11, 1841544105), (15, 1350465677), (23, 880738485), (33, 613848035), (55, 368308821), (69, 293579495), (115, 176147697), (165, 122769607), (253, 80067135), (307, 65983665), (345, 58715899), (759, 26689045), (921, 21994555), (1265, 16013427), (1535, 13196733), (3377, 5998515), (3795, 5337809), (4605, 4398911), (7061, 2868855), (10131, 1999505), (16885, 1199703), (17387, 1165065), (21183, 956285), (35305, 573771), (50655, 399901), (52161, 388355), (77671, 260805), (86935, 233013), (105915, 191257)]