20688084862

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1\times {\mathrm{2129}}^1$

素因数の和:2896

約数の個数: 32

約数和(自身を含む): 31813816320

約数和(自身を除く): 11125731458

約数列:

[1, 2, 67, 127, 134, 254, 571, 1142, 2129, 4258, 8509, 17018, 38257, 72517, 76514, 142643, 145034, 270383, 285286, 540766, 1215659, 2431318, 4858639, 9717278, 18115661, 36231322, 81449153, 154388693, 162898306, 308777386, 10344042431, 20688084862]

約数ペア:

[(1, 20688084862), (2, 10344042431), (67, 308777386), (127, 162898306), (134, 154388693), (254, 81449153), (571, 36231322), (1142, 18115661), (2129, 9717278), (4258, 4858639), (8509, 2431318), (17018, 1215659), (38257, 540766), (72517, 285286), (76514, 270383), (142643, 145034)]