20892460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14713}}^1$

素因数の和:14793

約数の個数: 24

約数和(自身を含む): 44495136

約数和(自身を除く): 23602676

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14713, 29426, 58852, 73565, 147130, 294260, 1044623, 2089246, 4178492, 5223115, 10446230, 20892460]

約数ペア:

[(1, 20892460), (2, 10446230), (4, 5223115), (5, 4178492), (10, 2089246), (20, 1044623), (71, 294260), (142, 147130), (284, 73565), (355, 58852), (710, 29426), (1420, 14713)]