20887766

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2729}}^1$

素因数の和:2863

約数の個数: 16

約数和(自身を含む): 32432400

約数和(自身を除く): 11544634

約数列:

[1, 2, 43, 86, 89, 178, 2729, 3827, 5458, 7654, 117347, 234694, 242881, 485762, 10443883, 20887766]

約数ペア:

[(1, 20887766), (2, 10443883), (43, 485762), (86, 242881), (89, 234694), (178, 117347), (2729, 7654), (3827, 5458)]