20745584769

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10855879}}^1$

素因数の和:10855909

約数の個数: 24

約数和(自身を含む): 34651968960

約数和(自身を除く): 13906384191

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10855879, 32567637, 75991153, 141126427, 227973459, 423379281, 531938071, 987884989, 1595814213, 2963654967, 6915194923, 20745584769]

約数ペア:

[(1, 20745584769), (3, 6915194923), (7, 2963654967), (13, 1595814213), (21, 987884989), (39, 531938071), (49, 423379281), (91, 227973459), (147, 141126427), (273, 75991153), (637, 32567637), (1911, 10855879)]