20411216

素因数分解:

$2^4\times 7^1\times {\mathrm{182243}}^1$

素因数の和:182258

約数の個数: 20

約数和(自身を含む): 45196512

約数和(自身を除く): 24785296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182243, 364486, 728972, 1275701, 1457944, 2551402, 2915888, 5102804, 10205608, 20411216]

約数ペア:

[(1, 20411216), (2, 10205608), (4, 5102804), (7, 2915888), (8, 2551402), (14, 1457944), (16, 1275701), (28, 728972), (56, 364486), (112, 182243)]