20553915458

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{617717}}^1$

素因数の和:617977

約数の個数: 16

約数和(自身を含む): 31310889984

約数和(自身を除く): 10756974526

約数列:

[1, 2, 127, 131, 254, 262, 16637, 33274, 617717, 1235434, 78450059, 80920927, 156900118, 161841854, 10276957729, 20553915458]

約数ペア:

[(1, 20553915458), (2, 10276957729), (127, 161841854), (131, 156900118), (254, 80920927), (262, 78450059), (16637, 1235434), (33274, 617717)]