20380118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25037}}^1$

素因数の和:25087

約数の個数: 16

約数和(自身を含む): 34251984

約数和(自身を除く): 13871866

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25037, 50074, 275407, 550814, 926369, 1852738, 10190059, 20380118]

約数ペア:

[(1, 20380118), (2, 10190059), (11, 1852738), (22, 926369), (37, 550814), (74, 275407), (407, 50074), (814, 25037)]