20787584006

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4177}}^1\times {\mathrm{11467}}^1$

素因数の和:15684

約数の個数: 32

約数和(自身を含む): 36797417472

約数和(自身を除く): 16009833466

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 4177, 8354, 11467, 22934, 29239, 58478, 80269, 129487, 160538, 258974, 355477, 710954, 906409, 1812818, 2488339, 4976678, 47897659, 95795318, 335283613, 670567226, 1484827429, 2969654858, 10393792003, 20787584006]

約数ペア:

[(1, 20787584006), (2, 10393792003), (7, 2969654858), (14, 1484827429), (31, 670567226), (62, 335283613), (217, 95795318), (434, 47897659), (4177, 4976678), (8354, 2488339), (11467, 1812818), (22934, 906409), (29239, 710954), (58478, 355477), (80269, 258974), (129487, 160538)]