20120994416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40566521}}^1$

素因数の和:40566560

約数の個数: 20

約数和(自身を含む): 40241989824

約数和(自身を除く): 20120995408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40566521, 81133042, 162266084, 324532168, 649064336, 1257562151, 2515124302, 5030248604, 10060497208, 20120994416]

約数ペア:

[(1, 20120994416), (2, 10060497208), (4, 5030248604), (8, 2515124302), (16, 1257562151), (31, 649064336), (62, 324532168), (124, 162266084), (248, 81133042), (496, 40566521)]