20505536308

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{138550921}}^1$

素因数の和:138550962

約数の個数: 12

約数和(自身を含む): 36854545252

約数和(自身を除く): 16349008944

約数列:

[1, 2, 4, 37, 74, 148, 138550921, 277101842, 554203684, 5126384077, 10252768154, 20505536308]

約数ペア:

[(1, 20505536308), (2, 10252768154), (4, 5126384077), (37, 554203684), (74, 277101842), (148, 138550921)]