20754944

素因数分解:

$2^9\times 7^1\times {\mathrm{5791}}^1$

素因数の和:5816

約数の個数: 40

約数和(自身を含む): 47401728

約数和(自身を除く): 26646784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5791, 11582, 23164, 40537, 46328, 81074, 92656, 162148, 185312, 324296, 370624, 648592, 741248, 1297184, 1482496, 2594368, 2964992, 5188736, 10377472, 20754944]

約数ペア:

[(1, 20754944), (2, 10377472), (4, 5188736), (7, 2964992), (8, 2594368), (14, 1482496), (16, 1297184), (28, 741248), (32, 648592), (56, 370624), (64, 324296), (112, 185312), (128, 162148), (224, 92656), (256, 81074), (448, 46328), (512, 40537), (896, 23164), (1792, 11582), (3584, 5791)]