20169856

素因数分解:

$2^7\times 7^1\times {\mathrm{22511}}^1$

素因数の和:22532

約数の個数: 32

約数和(自身を含む): 45924480

約数和(自身を除く): 25754624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22511, 45022, 90044, 157577, 180088, 315154, 360176, 630308, 720352, 1260616, 1440704, 2521232, 2881408, 5042464, 10084928, 20169856]

約数ペア:

[(1, 20169856), (2, 10084928), (4, 5042464), (7, 2881408), (8, 2521232), (14, 1440704), (16, 1260616), (28, 720352), (32, 630308), (56, 360176), (64, 315154), (112, 180088), (128, 157577), (224, 90044), (448, 45022), (896, 22511)]