20440154

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12269}}^1$

素因数の和:12302

約数の個数: 24

約数和(自身を含む): 37767060

約数和(自身を除く): 17326906

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12269, 24538, 85883, 171766, 208573, 417146, 601181, 1202362, 1460011, 2920022, 10220077, 20440154]

約数ペア:

[(1, 20440154), (2, 10220077), (7, 2920022), (14, 1460011), (17, 1202362), (34, 601181), (49, 417146), (98, 208573), (119, 171766), (238, 85883), (833, 24538), (1666, 12269)]