20091331012

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{503}}^1\times {\mathrm{10391}}^1$

素因数の和:10960

約数の個数: 36

約数和(自身を含む): 36406335168

約数和(自身を除く): 16315004156

約数列:

[1, 2, 4, 31, 62, 124, 503, 961, 1006, 1922, 2012, 3844, 10391, 15593, 20782, 31186, 41564, 62372, 322121, 483383, 644242, 966766, 1288484, 1933532, 5226673, 9985751, 10453346, 19971502, 20906692, 39943004, 162026863, 324053726, 648107452, 5022832753, 10045665506, 20091331012]

約数ペア:

[(1, 20091331012), (2, 10045665506), (4, 5022832753), (31, 648107452), (62, 324053726), (124, 162026863), (503, 39943004), (961, 20906692), (1006, 19971502), (1922, 10453346), (2012, 9985751), (3844, 5226673), (10391, 1933532), (15593, 1288484), (20782, 966766), (31186, 644242), (41564, 483383), (62372, 322121)]