20910404

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1361}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 38441088

約数和(自身を除く): 17530684

約数列:

[1, 2, 4, 23, 46, 92, 167, 334, 668, 1361, 2722, 3841, 5444, 7682, 15364, 31303, 62606, 125212, 227287, 454574, 909148, 5227601, 10455202, 20910404]

約数ペア:

[(1, 20910404), (2, 10455202), (4, 5227601), (23, 909148), (46, 454574), (92, 227287), (167, 125212), (334, 62606), (668, 31303), (1361, 15364), (2722, 7682), (3841, 5444)]