20847004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2013

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 17255396

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 356, 1889, 2759, 3778, 5518, 7556, 11036, 58559, 117118, 168121, 234236, 336242, 672484, 5211751, 10423502, 20847004]

約数ペア:

[(1, 20847004), (2, 10423502), (4, 5211751), (31, 672484), (62, 336242), (89, 234236), (124, 168121), (178, 117118), (356, 58559), (1889, 11036), (2759, 7556), (3778, 5518)]