20005100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10529}}^1$

素因数の和:10562

約数の個数: 36

約数和(自身を含む): 45700200

約数和(自身を除く): 25695100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10529, 21058, 42116, 52645, 105290, 200051, 210580, 263225, 400102, 526450, 800204, 1000255, 1052900, 2000510, 4001020, 5001275, 10002550, 20005100]

約数ペア:

[(1, 20005100), (2, 10002550), (4, 5001275), (5, 4001020), (10, 2000510), (19, 1052900), (20, 1000255), (25, 800204), (38, 526450), (50, 400102), (76, 263225), (95, 210580), (100, 200051), (190, 105290), (380, 52645), (475, 42116), (950, 21058), (1900, 10529)]