20789816

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 40031040

約数和(自身を除く): 19241224

約数列:

[1, 2, 4, 8, 73, 97, 146, 194, 292, 367, 388, 584, 734, 776, 1468, 2936, 7081, 14162, 26791, 28324, 35599, 53582, 56648, 71198, 107164, 142396, 214328, 284792, 2598727, 5197454, 10394908, 20789816]

約数ペア:

[(1, 20789816), (2, 10394908), (4, 5197454), (8, 2598727), (73, 284792), (97, 214328), (146, 142396), (194, 107164), (292, 71198), (367, 56648), (388, 53582), (584, 35599), (734, 28324), (776, 26791), (1468, 14162), (2936, 7081)]