20888973028

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1384109}}^1$

素因数の和:1384145

約数の個数: 48

約数和(自身を含む): 46506096000

約数和(自身を除く): 25617122972

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1372, 2156, 3773, 7546, 15092, 1384109, 2768218, 5536436, 9688763, 15225199, 19377526, 30450398, 38755052, 60900796, 67821341, 106576393, 135642682, 213152786, 271285364, 426305572, 474749387, 746034751, 949498774, 1492069502, 1898997548, 2984139004, 5222243257, 10444486514, 20888973028]

約数ペア:

[(1, 20888973028), (2, 10444486514), (4, 5222243257), (7, 2984139004), (11, 1898997548), (14, 1492069502), (22, 949498774), (28, 746034751), (44, 474749387), (49, 426305572), (77, 271285364), (98, 213152786), (154, 135642682), (196, 106576393), (308, 67821341), (343, 60900796), (539, 38755052), (686, 30450398), (1078, 19377526), (1372, 15225199), (2156, 9688763), (3773, 5536436), (7546, 2768218), (15092, 1384109)]