20888994

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 48968928

約数和(自身を除く): 28079934

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 227, 294, 313, 454, 626, 681, 939, 1362, 1589, 1878, 2191, 3178, 4382, 4767, 6573, 9534, 11123, 13146, 15337, 22246, 30674, 33369, 46011, 66738, 71051, 92022, 142102, 213153, 426306, 497357, 994714, 1492071, 2984142, 3481499, 6962998, 10444497, 20888994]

約数ペア:

[(1, 20888994), (2, 10444497), (3, 6962998), (6, 3481499), (7, 2984142), (14, 1492071), (21, 994714), (42, 497357), (49, 426306), (98, 213153), (147, 142102), (227, 92022), (294, 71051), (313, 66738), (454, 46011), (626, 33369), (681, 30674), (939, 22246), (1362, 15337), (1589, 13146), (1878, 11123), (2191, 9534), (3178, 6573), (4382, 4767)]