19700320

素因数分解:

$2^5\times 5^1\times {\mathrm{123127}}^1$

素因数の和:123142

約数の個数: 24

約数和(自身を含む): 46542384

約数和(自身を除く): 26842064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 123127, 246254, 492508, 615635, 985016, 1231270, 1970032, 2462540, 3940064, 4925080, 9850160, 19700320]

約数ペア:

[(1, 19700320), (2, 9850160), (4, 4925080), (5, 3940064), (8, 2462540), (10, 1970032), (16, 1231270), (20, 985016), (32, 615635), (40, 492508), (80, 246254), (160, 123127)]