20127194

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 24

約数和(自身を含む): 32456628

約数和(自身を除く): 12329434

約数列:

[1, 2, 19, 38, 61, 122, 361, 457, 722, 914, 1159, 2318, 8683, 17366, 22021, 27877, 44042, 55754, 164977, 329954, 529663, 1059326, 10063597, 20127194]

約数ペア:

[(1, 20127194), (2, 10063597), (19, 1059326), (38, 529663), (61, 329954), (122, 164977), (361, 55754), (457, 44042), (722, 27877), (914, 22021), (1159, 17366), (2318, 8683)]