20782958

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6841}}^1$

素因数の和:6888

約数の個数: 24

約数和(自身を含む): 37439424

約数和(自身を除く): 16656466

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 6841, 13682, 47887, 95774, 212071, 335209, 424142, 670418, 1484497, 2968994, 10391479, 20782958]

約数ペア:

[(1, 20782958), (2, 10391479), (7, 2968994), (14, 1484497), (31, 670418), (49, 424142), (62, 335209), (98, 212071), (217, 95774), (434, 47887), (1519, 13682), (3038, 6841)]