20174880208

素因数分解:

$2^4\times 7^1\times {\mathrm{180132859}}^1$

素因数の和:180132874

約数の個数: 20

約数和(自身を含む): 44672949280

約数和(自身を除く): 24498069072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180132859, 360265718, 720531436, 1260930013, 1441062872, 2521860026, 2882125744, 5043720052, 10087440104, 20174880208]

約数ペア:

[(1, 20174880208), (2, 10087440104), (4, 5043720052), (7, 2882125744), (8, 2521860026), (14, 1441062872), (16, 1260930013), (28, 720531436), (56, 360265718), (112, 180132859)]