20791646

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6871}}^1$

素因数の和:6979

約数の個数: 16

約数和(自身を含む): 33397920

約数和(自身を除く): 12606274

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6871, 13742, 116807, 233614, 611519, 1223038, 10395823, 20791646]

約数ペア:

[(1, 20791646), (2, 10395823), (17, 1223038), (34, 611519), (89, 233614), (178, 116807), (1513, 13742), (3026, 6871)]