20145030878

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38890021}}^1$

素因数の和:38890067

約数の個数: 16

約数和(自身を含む): 35467700064

約数和(自身を除く): 15322669186

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38890021, 77780042, 272230147, 544460294, 1438930777, 2877861554, 10072515439, 20145030878]

約数ペア:

[(1, 20145030878), (2, 10072515439), (7, 2877861554), (14, 1438930777), (37, 544460294), (74, 272230147), (259, 77780042), (518, 38890021)]