20563808

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{8803}}^1$

素因数の和:8886

約数の個数: 24

約数和(自身を含む): 41044248

約数和(自身を除く): 20480440

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 8803, 17606, 35212, 70424, 140848, 281696, 642619, 1285238, 2570476, 5140952, 10281904, 20563808]

約数ペア:

[(1, 20563808), (2, 10281904), (4, 5140952), (8, 2570476), (16, 1285238), (32, 642619), (73, 281696), (146, 140848), (292, 70424), (584, 35212), (1168, 17606), (2336, 8803)]