20768156912

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56435209}}^1$

素因数の和:56435240

約数の個数: 20

約数和(自身を含む): 41987796240

約数和(自身を除く): 21219639328

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56435209, 112870418, 225740836, 451481672, 902963344, 1298009807, 2596019614, 5192039228, 10384078456, 20768156912]

約数ペア:

[(1, 20768156912), (2, 10384078456), (4, 5192039228), (8, 2596019614), (16, 1298009807), (23, 902963344), (46, 451481672), (92, 225740836), (184, 112870418), (368, 56435209)]