20752408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{439}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 41184000

約数和(自身を除く): 20431592

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 311, 439, 622, 878, 1244, 1756, 2488, 3512, 5909, 8341, 11818, 16682, 23636, 33364, 47272, 66728, 136529, 273058, 546116, 1092232, 2594051, 5188102, 10376204, 20752408]

約数ペア:

[(1, 20752408), (2, 10376204), (4, 5188102), (8, 2594051), (19, 1092232), (38, 546116), (76, 273058), (152, 136529), (311, 66728), (439, 47272), (622, 33364), (878, 23636), (1244, 16682), (1756, 11818), (2488, 8341), (3512, 5909)]