20291020

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2017}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 42717024

約数和(自身を除く): 22426004

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2017, 2515, 4034, 5030, 8068, 10060, 10085, 20170, 40340, 1014551, 2029102, 4058204, 5072755, 10145510, 20291020]

約数ペア:

[(1, 20291020), (2, 10145510), (4, 5072755), (5, 4058204), (10, 2029102), (20, 1014551), (503, 40340), (1006, 20170), (2012, 10085), (2017, 10060), (2515, 8068), (4034, 5030)]