20904996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{248869}}^1$

素因数の和:248883

約数の個数: 24

約数和(自身を含む): 55746880

約数和(自身を除く): 34841884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 248869, 497738, 746607, 995476, 1493214, 1742083, 2986428, 3484166, 5226249, 6968332, 10452498, 20904996]

約数ペア:

[(1, 20904996), (2, 10452498), (3, 6968332), (4, 5226249), (6, 3484166), (7, 2986428), (12, 1742083), (14, 1493214), (21, 995476), (28, 746607), (42, 497738), (84, 248869)]