20667376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75983}}^1$

素因数の和:76008

約数の個数: 20

約数和(自身を含む): 42399072

約数和(自身を除く): 21731696

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75983, 151966, 303932, 607864, 1215728, 1291711, 2583422, 5166844, 10333688, 20667376]

約数ペア:

[(1, 20667376), (2, 10333688), (4, 5166844), (8, 2583422), (16, 1291711), (17, 1215728), (34, 607864), (68, 303932), (136, 151966), (272, 75983)]