20272496

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20771}}^1$

素因数の和:20840

約数の個数: 20

約数和(自身を含む): 39923784

約数和(自身を除く): 19651288

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20771, 41542, 83084, 166168, 332336, 1267031, 2534062, 5068124, 10136248, 20272496]

約数ペア:

[(1, 20272496), (2, 10136248), (4, 5068124), (8, 2534062), (16, 1267031), (61, 332336), (122, 166168), (244, 83084), (488, 41542), (976, 20771)]