20123808418

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38849051}}^1$

素因数の和:38849097

約数の個数: 16

約数和(自身を含む): 35430335424

約数和(自身を除く): 15306527006

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38849051, 77698102, 271943357, 543886714, 1437414887, 2874829774, 10061904209, 20123808418]

約数ペア:

[(1, 20123808418), (2, 10061904209), (7, 2874829774), (14, 1437414887), (37, 543886714), (74, 271943357), (259, 77698102), (518, 38849051)]