20672422

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{887}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 31882752

約数和(自身を除く): 11210330

約数列:

[1, 2, 43, 86, 271, 542, 887, 1774, 11653, 23306, 38141, 76282, 240377, 480754, 10336211, 20672422]

約数ペア:

[(1, 20672422), (2, 10336211), (43, 480754), (86, 240377), (271, 76282), (542, 38141), (887, 23306), (1774, 11653)]