20510988

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 50125824

約数和(自身を除く): 29614836

約数列:

[1, 2, 3, 4, 6, 12, 41, 47, 82, 94, 123, 141, 164, 188, 246, 282, 492, 564, 887, 1774, 1927, 2661, 3548, 3854, 5322, 5781, 7708, 10644, 11562, 23124, 36367, 41689, 72734, 83378, 109101, 125067, 145468, 166756, 218202, 250134, 436404, 500268, 1709249, 3418498, 5127747, 6836996, 10255494, 20510988]

約数ペア:

[(1, 20510988), (2, 10255494), (3, 6836996), (4, 5127747), (6, 3418498), (12, 1709249), (41, 500268), (47, 436404), (82, 250134), (94, 218202), (123, 166756), (141, 145468), (164, 125067), (188, 109101), (246, 83378), (282, 72734), (492, 41689), (564, 36367), (887, 23124), (1774, 11562), (1927, 10644), (2661, 7708), (3548, 5781), (3854, 5322)]