20327636

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17707}}^1$

素因数の和:17759

約数の個数: 24

約数和(自身を含む): 41649216

約数和(自身を除く): 21321580

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17707, 35414, 70828, 123949, 247898, 495796, 725987, 1451974, 2903948, 5081909, 10163818, 20327636]

約数ペア:

[(1, 20327636), (2, 10163818), (4, 5081909), (7, 2903948), (14, 1451974), (28, 725987), (41, 495796), (82, 247898), (164, 123949), (287, 70828), (574, 35414), (1148, 17707)]