20177420816

素因数分解:

$2^4\times 7^1\times {\mathrm{180155543}}^1$

素因数の和:180155558

約数の個数: 20

約数和(自身を含む): 44678574912

約数和(自身を除く): 24501154096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180155543, 360311086, 720622172, 1261088801, 1441244344, 2522177602, 2882488688, 5044355204, 10088710408, 20177420816]

約数ペア:

[(1, 20177420816), (2, 10088710408), (4, 5044355204), (7, 2882488688), (8, 2522177602), (14, 1441244344), (16, 1261088801), (28, 720622172), (56, 360311086), (112, 180155543)]