20692160

素因数分解:

$2^6\times 5^1\times {\mathrm{64663}}^1$

素因数の和:64680

約数の個数: 28

約数和(自身を含む): 49273968

約数和(自身を除く): 28581808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 64663, 129326, 258652, 323315, 517304, 646630, 1034608, 1293260, 2069216, 2586520, 4138432, 5173040, 10346080, 20692160]

約数ペア:

[(1, 20692160), (2, 10346080), (4, 5173040), (5, 4138432), (8, 2586520), (10, 2069216), (16, 1293260), (20, 1034608), (32, 646630), (40, 517304), (64, 323315), (80, 258652), (160, 129326), (320, 64663)]