20899504

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31859}}^1$

素因数の和:31908

約数の個数: 20

約数和(自身を含む): 41481720

約数和(自身を除く): 20582216

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31859, 63718, 127436, 254872, 509744, 1306219, 2612438, 5224876, 10449752, 20899504]

約数ペア:

[(1, 20899504), (2, 10449752), (4, 5224876), (8, 2612438), (16, 1306219), (41, 509744), (82, 254872), (164, 127436), (328, 63718), (656, 31859)]