20199675

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6569}}^1$

素因数の和:6623

約数の個数: 24

約数和(自身を含む): 34216560

約数和(自身を除く): 14016885

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6569, 19707, 32845, 98535, 164225, 269329, 492675, 807987, 1346645, 4039935, 6733225, 20199675]

約数ペア:

[(1, 20199675), (3, 6733225), (5, 4039935), (15, 1346645), (25, 807987), (41, 492675), (75, 269329), (123, 164225), (205, 98535), (615, 32845), (1025, 19707), (3075, 6569)]