20287502

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{929}}^1$

素因数の和:1171

約数の個数: 16

約数和(自身を含む): 31136400

約数和(自身を除く): 10848898

約数列:

[1, 2, 61, 122, 179, 358, 929, 1858, 10919, 21838, 56669, 113338, 166291, 332582, 10143751, 20287502]

約数ペア:

[(1, 20287502), (2, 10143751), (61, 332582), (122, 166291), (179, 113338), (358, 56669), (929, 21838), (1858, 10919)]