20735836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 41674752

約数和(自身を除く): 20938916

約数列:

[1, 2, 4, 11, 22, 37, 44, 47, 74, 94, 148, 188, 271, 407, 517, 542, 814, 1034, 1084, 1628, 1739, 2068, 2981, 3478, 5962, 6956, 10027, 11924, 12737, 19129, 20054, 25474, 38258, 40108, 50948, 76516, 110297, 140107, 220594, 280214, 441188, 471269, 560428, 942538, 1885076, 5183959, 10367918, 20735836]

約数ペア:

[(1, 20735836), (2, 10367918), (4, 5183959), (11, 1885076), (22, 942538), (37, 560428), (44, 471269), (47, 441188), (74, 280214), (94, 220594), (148, 140107), (188, 110297), (271, 76516), (407, 50948), (517, 40108), (542, 38258), (814, 25474), (1034, 20054), (1084, 19129), (1628, 12737), (1739, 11924), (2068, 10027), (2981, 6956), (3478, 5962)]