20120940016

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{2800799}}^1$

素因数の和:2801256

約数の個数: 20

約数和(自身を含む): 39071160000

約数和(自身を除く): 18950219984

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 2800799, 5601598, 11203196, 22406392, 44812784, 1257558751, 2515117502, 5030235004, 10060470008, 20120940016]

約数ペア:

[(1, 20120940016), (2, 10060470008), (4, 5030235004), (8, 2515117502), (16, 1257558751), (449, 44812784), (898, 22406392), (1796, 11203196), (3592, 5601598), (7184, 2800799)]