20328442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1051}}^1$

素因数の和:1581

約数の個数: 16

約数和(自身を含む): 32191200

約数和(自身を除く): 11862758

約数列:

[1, 2, 19, 38, 509, 1018, 1051, 2102, 9671, 19342, 19969, 39938, 534959, 1069918, 10164221, 20328442]

約数ペア:

[(1, 20328442), (2, 10164221), (19, 1069918), (38, 534959), (509, 39938), (1018, 19969), (1051, 19342), (2102, 9671)]