20145239380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1151}}^1\times {\mathrm{125017}}^1$

素因数の和:126184

約数の個数: 48

約数和(自身を含む): 48390967296

約数和(自身を除く): 28245727916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1151, 2302, 4604, 5755, 8057, 11510, 16114, 23020, 32228, 40285, 80570, 125017, 161140, 250034, 500068, 625085, 875119, 1250170, 1750238, 2500340, 3500476, 4375595, 8751190, 17502380, 143894567, 287789134, 575578268, 719472835, 1007261969, 1438945670, 2014523938, 2877891340, 4029047876, 5036309845, 10072619690, 20145239380]

約数ペア:

[(1, 20145239380), (2, 10072619690), (4, 5036309845), (5, 4029047876), (7, 2877891340), (10, 2014523938), (14, 1438945670), (20, 1007261969), (28, 719472835), (35, 575578268), (70, 287789134), (140, 143894567), (1151, 17502380), (2302, 8751190), (4604, 4375595), (5755, 3500476), (8057, 2500340), (11510, 1750238), (16114, 1250170), (23020, 875119), (32228, 625085), (40285, 500068), (80570, 250034), (125017, 161140)]