20168478

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2753}}^1$

素因数の和:2809

約数の個数: 48

約数和(自身を含む): 48977136

約数和(自身を除く): 28808658

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 198, 222, 333, 407, 666, 814, 1221, 2442, 2753, 3663, 5506, 7326, 8259, 16518, 24777, 30283, 49554, 60566, 90849, 101861, 181698, 203722, 272547, 305583, 545094, 611166, 916749, 1120471, 1833498, 2240942, 3361413, 6722826, 10084239, 20168478]

約数ペア:

[(1, 20168478), (2, 10084239), (3, 6722826), (6, 3361413), (9, 2240942), (11, 1833498), (18, 1120471), (22, 916749), (33, 611166), (37, 545094), (66, 305583), (74, 272547), (99, 203722), (111, 181698), (198, 101861), (222, 90849), (333, 60566), (407, 49554), (666, 30283), (814, 24777), (1221, 16518), (2442, 8259), (2753, 7326), (3663, 5506)]