20419238

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 36267264

約数和(自身を除く): 15848026

約数列:

[1, 2, 7, 14, 43, 86, 107, 214, 301, 317, 602, 634, 749, 1498, 2219, 4438, 4601, 9202, 13631, 27262, 32207, 33919, 64414, 67838, 95417, 190834, 237433, 474866, 1458517, 2917034, 10209619, 20419238]

約数ペア:

[(1, 20419238), (2, 10209619), (7, 2917034), (14, 1458517), (43, 474866), (86, 237433), (107, 190834), (214, 95417), (301, 67838), (317, 64414), (602, 33919), (634, 32207), (749, 27262), (1498, 13631), (2219, 9202), (4438, 4601)]