20876672

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3793}}^1$

素因数の和:3850

約数の個数: 32

約数和(自身を含む): 42568680

約数和(自身を除く): 21692008

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 3793, 5504, 7586, 15172, 30344, 60688, 121376, 163099, 242752, 326198, 485504, 652396, 1304792, 2609584, 5219168, 10438336, 20876672]

約数ペア:

[(1, 20876672), (2, 10438336), (4, 5219168), (8, 2609584), (16, 1304792), (32, 652396), (43, 485504), (64, 326198), (86, 242752), (128, 163099), (172, 121376), (344, 60688), (688, 30344), (1376, 15172), (2752, 7586), (3793, 5504)]