20320938

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3539}}^1$

素因数の和:3587

約数の個数: 48

約数和(自身を含む): 49701600

約数和(自身を除く): 29380662

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 58, 66, 87, 99, 174, 198, 261, 319, 522, 638, 957, 1914, 2871, 3539, 5742, 7078, 10617, 21234, 31851, 38929, 63702, 77858, 102631, 116787, 205262, 233574, 307893, 350361, 615786, 700722, 923679, 1128941, 1847358, 2257882, 3386823, 6773646, 10160469, 20320938]

約数ペア:

[(1, 20320938), (2, 10160469), (3, 6773646), (6, 3386823), (9, 2257882), (11, 1847358), (18, 1128941), (22, 923679), (29, 700722), (33, 615786), (58, 350361), (66, 307893), (87, 233574), (99, 205262), (174, 116787), (198, 102631), (261, 77858), (319, 63702), (522, 38929), (638, 31851), (957, 21234), (1914, 10617), (2871, 7078), (3539, 5742)]