20111251366

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{71317}}^1$

素因数の和:71560

約数の個数: 32

約数和(自身を含む): 32709287520

約数和(自身を除く): 12598036154

約数列:

[1, 2, 19, 38, 41, 82, 181, 362, 779, 1558, 3439, 6878, 7421, 14842, 71317, 140999, 142634, 281998, 1355023, 2710046, 2923997, 5847994, 12908377, 25816754, 55555943, 111111886, 245259163, 490518326, 529243457, 1058486914, 10055625683, 20111251366]

約数ペア:

[(1, 20111251366), (2, 10055625683), (19, 1058486914), (38, 529243457), (41, 490518326), (82, 245259163), (181, 111111886), (362, 55555943), (779, 25816754), (1558, 12908377), (3439, 5847994), (6878, 2923997), (7421, 2710046), (14842, 1355023), (71317, 281998), (140999, 142634)]