20280881276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1879}}^1\times {\mathrm{142019}}^1$

素因数の和:143921

約数の個数: 24

約数和(自身を含む): 37379664000

約数和(自身を除く): 17098782724

約数列:

[1, 2, 4, 19, 38, 76, 1879, 3758, 7516, 35701, 71402, 142019, 142804, 284038, 568076, 2698361, 5396722, 10793444, 266853701, 533707402, 1067414804, 5070220319, 10140440638, 20280881276]

約数ペア:

[(1, 20280881276), (2, 10140440638), (4, 5070220319), (19, 1067414804), (38, 533707402), (76, 266853701), (1879, 10793444), (3758, 5396722), (7516, 2698361), (35701, 568076), (71402, 284038), (142019, 142804)]