20295506

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 39349152

約数和(自身を除く): 19053646

約数列:

[1, 2, 7, 11, 14, 22, 49, 67, 77, 98, 134, 154, 281, 469, 539, 562, 737, 938, 1078, 1474, 1967, 3091, 3283, 3934, 5159, 6182, 6566, 10318, 13769, 18827, 21637, 27538, 36113, 37654, 43274, 72226, 131789, 151459, 207097, 263578, 302918, 414194, 922523, 1449679, 1845046, 2899358, 10147753, 20295506]

約数ペア:

[(1, 20295506), (2, 10147753), (7, 2899358), (11, 1845046), (14, 1449679), (22, 922523), (49, 414194), (67, 302918), (77, 263578), (98, 207097), (134, 151459), (154, 131789), (281, 72226), (469, 43274), (539, 37654), (562, 36113), (737, 27538), (938, 21637), (1078, 18827), (1474, 13769), (1967, 10318), (3091, 6566), (3283, 6182), (3934, 5159)]