20005946128

素因数分解:

$2^4\times 7^1\times {\mathrm{178624519}}^1$

素因数の和:178624534

約数の個数: 20

約数和(自身を含む): 44298880960

約数和(自身を除く): 24292934832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178624519, 357249038, 714498076, 1250371633, 1428996152, 2500743266, 2857992304, 5001486532, 10002973064, 20005946128]

約数ペア:

[(1, 20005946128), (2, 10002973064), (4, 5001486532), (7, 2857992304), (8, 2500743266), (14, 1428996152), (16, 1250371633), (28, 714498076), (56, 357249038), (112, 178624519)]