20112322528

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{2543}}^1\times {\mathrm{2777}}^1$

素因数の和:5419

約数の個数: 48

約数和(自身を含む): 40071205440

約数和(自身を除く): 19958882912

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2543, 2777, 2848, 5086, 5554, 10172, 11108, 20344, 22216, 40688, 44432, 81376, 88864, 226327, 247153, 452654, 494306, 905308, 988612, 1810616, 1977224, 3621232, 3954448, 7061911, 7242464, 7908896, 14123822, 28247644, 56495288, 112990576, 225981152, 628510079, 1257020158, 2514040316, 5028080632, 10056161264, 20112322528]

約数ペア:

[(1, 20112322528), (2, 10056161264), (4, 5028080632), (8, 2514040316), (16, 1257020158), (32, 628510079), (89, 225981152), (178, 112990576), (356, 56495288), (712, 28247644), (1424, 14123822), (2543, 7908896), (2777, 7242464), (2848, 7061911), (5086, 3954448), (5554, 3621232), (10172, 1977224), (11108, 1810616), (20344, 988612), (22216, 905308), (40688, 494306), (44432, 452654), (81376, 247153), (88864, 226327)]