20585516

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6871}}^1$

素因数の和:6989

約数の個数: 24

約数和(自身を含む): 41561856

約数和(自身を除く): 20976340

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6871, 13742, 27484, 48097, 96194, 192388, 735197, 1470394, 2940788, 5146379, 10292758, 20585516]

約数ペア:

[(1, 20585516), (2, 10292758), (4, 5146379), (7, 2940788), (14, 1470394), (28, 735197), (107, 192388), (214, 96194), (428, 48097), (749, 27484), (1498, 13742), (2996, 6871)]