20227888

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29401}}^1$

素因数の和:29452

約数の個数: 20

約数和(自身を含む): 40104328

約数和(自身を除く): 19876440

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29401, 58802, 117604, 235208, 470416, 1264243, 2528486, 5056972, 10113944, 20227888]

約数ペア:

[(1, 20227888), (2, 10113944), (4, 5056972), (8, 2528486), (16, 1264243), (43, 470416), (86, 235208), (172, 117604), (344, 58802), (688, 29401)]