20404779512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196199803}}^1$

素因数の和:196199822

約数の個数: 16

約数和(自身を含む): 41201958840

約数和(自身を除く): 20797179328

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196199803, 392399606, 784799212, 1569598424, 2550597439, 5101194878, 10202389756, 20404779512]

約数ペア:

[(1, 20404779512), (2, 10202389756), (4, 5101194878), (8, 2550597439), (13, 1569598424), (26, 784799212), (52, 392399606), (104, 196199803)]