20972272

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10321}}^1$

素因数の和:10456

約数の個数: 20

約数和(自身を含む): 40957696

約数和(自身を除く): 19985424

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10321, 20642, 41284, 82568, 165136, 1310767, 2621534, 5243068, 10486136, 20972272]

約数ペア:

[(1, 20972272), (2, 10486136), (4, 5243068), (8, 2621534), (16, 1310767), (127, 165136), (254, 82568), (508, 41284), (1016, 20642), (2032, 10321)]