20162980795

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1\times {\mathrm{1277}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 24910571520

約数和(自身を除く): 4747590725

約数列:

[1, 5, 71, 79, 355, 395, 563, 1277, 2815, 5609, 6385, 28045, 39973, 44477, 90667, 100883, 199865, 222385, 453335, 504415, 718951, 3157867, 3594755, 7162693, 15789335, 35813465, 51045521, 56797129, 255227605, 283985645, 4032596159, 20162980795]

約数ペア:

[(1, 20162980795), (5, 4032596159), (71, 283985645), (79, 255227605), (355, 56797129), (395, 51045521), (563, 35813465), (1277, 15789335), (2815, 7162693), (5609, 3594755), (6385, 3157867), (28045, 718951), (39973, 504415), (44477, 453335), (90667, 222385), (100883, 199865)]