20079575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 26569728

約数和(自身を除く): 6490153

約数列:

[1, 5, 23, 25, 47, 115, 235, 575, 743, 1081, 1175, 3715, 5405, 17089, 18575, 27025, 34921, 85445, 174605, 427225, 803183, 873025, 4015915, 20079575]

約数ペア:

[(1, 20079575), (5, 4015915), (23, 873025), (25, 803183), (47, 427225), (115, 174605), (235, 85445), (575, 34921), (743, 27025), (1081, 18575), (1175, 17089), (3715, 5405)]