20465774

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17273746

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1637, 1786, 3274, 6251, 11459, 12502, 22918, 31103, 62206, 76939, 153878, 217721, 435442, 538573, 1077146, 1461841, 2923682, 10232887, 20465774]

約数ペア:

[(1, 20465774), (2, 10232887), (7, 2923682), (14, 1461841), (19, 1077146), (38, 538573), (47, 435442), (94, 217721), (133, 153878), (266, 76939), (329, 62206), (658, 31103), (893, 22918), (1637, 12502), (1786, 11459), (3274, 6251)]