20675824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{929}}^1$

素因数の和:1057

約数の個数: 40

約数和(自身を含む): 43590960

約数和(自身を除く): 22915136

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 929, 1391, 1712, 1858, 2782, 3716, 5564, 7432, 11128, 12077, 14864, 22256, 24154, 48308, 96616, 99403, 193232, 198806, 397612, 795224, 1292239, 1590448, 2584478, 5168956, 10337912, 20675824]

約数ペア:

[(1, 20675824), (2, 10337912), (4, 5168956), (8, 2584478), (13, 1590448), (16, 1292239), (26, 795224), (52, 397612), (104, 198806), (107, 193232), (208, 99403), (214, 96616), (428, 48308), (856, 24154), (929, 22256), (1391, 14864), (1712, 12077), (1858, 11128), (2782, 7432), (3716, 5564)]