20109640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29573}}^1$

素因数の和:29601

約数の個数: 32

約数和(自身を含む): 47909880

約数和(自身を除く): 27800240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29573, 59146, 118292, 147865, 236584, 295730, 502741, 591460, 1005482, 1182920, 2010964, 2513705, 4021928, 5027410, 10054820, 20109640]

約数ペア:

[(1, 20109640), (2, 10054820), (4, 5027410), (5, 4021928), (8, 2513705), (10, 2010964), (17, 1182920), (20, 1005482), (34, 591460), (40, 502741), (68, 295730), (85, 236584), (136, 147865), (170, 118292), (340, 59146), (680, 29573)]