20178441404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{2909}}^1\times {\mathrm{157649}}^1$

素因数の和:160573

約数の個数: 24

約数和(自身を含む): 38535966000

約数和(自身を除く): 18357524596

約数列:

[1, 2, 4, 11, 22, 44, 2909, 5818, 11636, 31999, 63998, 127996, 157649, 315298, 630596, 1734139, 3468278, 6936556, 458600941, 917201882, 1834403764, 5044610351, 10089220702, 20178441404]

約数ペア:

[(1, 20178441404), (2, 10089220702), (4, 5044610351), (11, 1834403764), (22, 917201882), (44, 458600941), (2909, 6936556), (5818, 3468278), (11636, 1734139), (31999, 630596), (63998, 315298), (127996, 157649)]