20120876972

素因数分解:

$2^2\times 7^1\times {\mathrm{718602749}}^1$

素因数の和:718602760

約数の個数: 12

約数和(自身を含む): 40241754000

約数和(自身を除く): 20120877028

約数列:

[1, 2, 4, 7, 14, 28, 718602749, 1437205498, 2874410996, 5030219243, 10060438486, 20120876972]

約数ペア:

[(1, 20120876972), (2, 10060438486), (4, 5030219243), (7, 2874410996), (14, 1437205498), (28, 718602749)]