20811256

素因数分解:

$2^3\times {\mathrm{179}}^1\times {\mathrm{14533}}^1$

素因数の和:14718

約数の個数: 16

約数和(自身を含む): 39241800

約数和(自身を除く): 18430544

約数列:

[1, 2, 4, 8, 179, 358, 716, 1432, 14533, 29066, 58132, 116264, 2601407, 5202814, 10405628, 20811256]

約数ペア:

[(1, 20811256), (2, 10405628), (4, 5202814), (8, 2601407), (179, 116264), (358, 58132), (716, 29066), (1432, 14533)]