20178453968

素因数分解:

$2^4\times {\mathrm{19001}}^1\times {\mathrm{66373}}^1$

素因数の和:85382

約数の個数: 20

約数和(自身を含む): 39098401188

約数和(自身を除く): 18919947220

約数列:

[1, 2, 4, 8, 16, 19001, 38002, 66373, 76004, 132746, 152008, 265492, 304016, 530984, 1061968, 1261153373, 2522306746, 5044613492, 10089226984, 20178453968]

約数ペア:

[(1, 20178453968), (2, 10089226984), (4, 5044613492), (8, 2522306746), (16, 1261153373), (19001, 1061968), (38002, 530984), (66373, 304016), (76004, 265492), (132746, 152008)]