20199572638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75938243}}^1$

素因数の和:75938271

約数の個数: 16

約数和(自身を含む): 36450357120

約数和(自身を除く): 16250784482

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75938243, 151876486, 531567701, 1063135402, 1442826617, 2885653234, 10099786319, 20199572638]

約数ペア:

[(1, 20199572638), (2, 10099786319), (7, 2885653234), (14, 1442826617), (19, 1063135402), (38, 531567701), (133, 151876486), (266, 75938243)]