20120863756

素因数分解:

$2^2\times 7^1\times {\mathrm{718602277}}^1$

素因数の和:718602288

約数の個数: 12

約数和(自身を含む): 40241727568

約数和(自身を除く): 20120863812

約数列:

[1, 2, 4, 7, 14, 28, 718602277, 1437204554, 2874409108, 5030215939, 10060431878, 20120863756]

約数ペア:

[(1, 20120863756), (2, 10060431878), (4, 5030215939), (7, 2874409108), (14, 1437204554), (28, 718602277)]