20829476

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 37721376

約数和(自身を除く): 16891900

約数列:

[1, 2, 4, 41, 82, 107, 164, 214, 428, 1187, 2374, 4387, 4748, 8774, 17548, 48667, 97334, 127009, 194668, 254018, 508036, 5207369, 10414738, 20829476]

約数ペア:

[(1, 20829476), (2, 10414738), (4, 5207369), (41, 508036), (82, 254018), (107, 194668), (164, 127009), (214, 97334), (428, 48667), (1187, 17548), (2374, 8774), (4387, 4748)]