20986616

素因数分解:

$2^3\times 7^1\times {\mathrm{374761}}^1$

素因数の和:374774

約数の個数: 16

約数和(自身を含む): 44971440

約数和(自身を除く): 23984824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 374761, 749522, 1499044, 2623327, 2998088, 5246654, 10493308, 20986616]

約数ペア:

[(1, 20986616), (2, 10493308), (4, 5246654), (7, 2998088), (8, 2623327), (14, 1499044), (28, 749522), (56, 374761)]