20523154

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{1109}}^1$

素因数の和:1617

約数の個数: 16

約数和(自身を含む): 32500800

約数和(自身を除く): 11977646

約数列:

[1, 2, 19, 38, 487, 974, 1109, 2218, 9253, 18506, 21071, 42142, 540083, 1080166, 10261577, 20523154]

約数ペア:

[(1, 20523154), (2, 10261577), (19, 1080166), (38, 540083), (487, 42142), (974, 21071), (1109, 18506), (2218, 9253)]